English Vocabulary · Grade 6 Live Review Preview

6th Grade Vocabulary Words

Sixth-grade readers move beyond recognizing important words to examining how precise language shapes evidence, argument, literature, science, mathematics, history, and civic discussion. This level emphasizes context clues, Greek and Latin word parts, multiple meanings, source evaluation, and vocabulary that supports clear analytical speaking and writing.

This independently authored 500-word beta curriculum is arranged in twenty pages of twenty-five words each. Words 1–300 include five cloze questions per page; words 301–500 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. References calibrated level and coverage only; all learner-facing definitions and sample sentences are original KSSR copy.

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Page 1: words 1–25

Vocabulary page 1
#	Word	Details	Meaning	Sample sentence
1	accumulate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: accumulate is the dictionary headword; compare its inflected or derived forms in context.	to gather or increase gradually over time	Dust can accumulate on a shelf that is rarely cleaned.
2	acknowledge	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: acknowledge is the dictionary headword; compare its inflected or derived forms in context.	to accept or recognize that something is true	The report should acknowledge evidence that challenges its conclusion.
3	alternative	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: alternative is the dictionary headword; compare its inflected or derived forms in context.	one of two or more possible choices	Taking the train is a practical alternative to driving.
4	anecdote	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: anecdote is the dictionary headword; compare its inflected or derived forms in context.	a brief story about a real event or person	The speaker began with an anecdote about her first day at sea.
5	assert	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: assert is the dictionary headword; compare its inflected or derived forms in context.	to state an idea firmly and confidently	The author will assert that clean water is a basic human need.
6	assess	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: assess is the dictionary headword; compare its inflected or derived forms in context.	to judge the quality, importance, or condition of something	Engineers assess the bridge before recommending repairs.
7	assumption	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	an idea accepted as true without complete proof	The experiment tested our assumption that all seeds need direct sunlight.
8	attribute	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: attribute is the dictionary headword; compare its inflected or derived forms in context.	to explain something as being caused by a particular person or thing	Researchers attribute the decline in fish to warmer water.
9	authentic	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: authentic is the dictionary headword; compare its inflected or derived forms in context.	real, genuine, or faithful to the original	The museum displayed an authentic letter signed by the explorer.
10	bias	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: bias is the dictionary headword; compare its inflected or derived forms in context.	an unfair preference that affects judgment	A fair survey avoids bias by asking neutral questions.
11	cite	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: cite is the dictionary headword; compare its inflected or derived forms in context.	to name a source as evidence or support	Writers cite the article after using its data.
12	clarify	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become.	to make an idea easier to understand	A labeled diagram can clarify how the machine works.
13	coherent	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: coherent is the dictionary headword; compare its inflected or derived forms in context.	logical, organized, and easy to follow	Transitions made the explanation coherent from beginning to end.
14	credible	adjective Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	believable and worthy of trust	The eyewitness gave a credible account supported by photographs.
15	criterion	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: criterion is the dictionary headword; compare its inflected or derived forms in context.	a standard used to judge or decide something	Safety is the most important criterion in choosing a campsite.
16	deduce	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: deduce is the dictionary headword; compare its inflected or derived forms in context.	to reach a conclusion by reasoning from known facts	From the tracks and feathers, we can deduce that a hawk visited.
17	substantiate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: substantiate is the dictionary headword; compare its inflected or derived forms in context.	to support a statement with trustworthy evidence	The dated photographs substantiate the witness's account.
18	dispute	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: dispute is the dictionary headword; compare its inflected or derived forms in context.	to question or disagree with a statement or claim	Several historians dispute the traditional account of the voyage.
19	evidence	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	facts or information that support a conclusion	The broken branch was evidence that a large animal had passed.
20	explicit	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: explicit is the dictionary headword; compare its inflected or derived forms in context.	stated clearly and directly	The recipe gives explicit instructions for handling the hot pan.
21	implicit	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: implicit is the dictionary headword; compare its inflected or derived forms in context.	suggested or understood without being directly stated	Her smile gave implicit approval even though she said nothing.
22	signify	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become.	to show, represent, or mean something	A flashing red light may signify that the battery is low.
23	justify	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ify commonly forms a verb meaning to make or become.	to give sound reasons or evidence for something	The committee must justify its decision to close the trail.
24	logic	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: logic is the dictionary headword; compare its inflected or derived forms in context.	clear reasoning based on valid connections between ideas	The detective used logic to eliminate impossible explanations.
25	methodology	noun Study Field: Grade 6 academic reasoning word Word study: Root and suffix focus: -logy means the study of a subject.	the organized system of methods used in a study	The report explains its methodology so other researchers can repeat the work.

A Credible Investigation

Reading practice for pages 1–3. Five relevant words are highlighted.

English reading

Dust can accumulate on an unused air filter. To make a credible claim about indoor air, Noor sets one criterion: every room must be measured in the same way. Her report presents a coherent explanation, and its authors acknowledge that open windows may affect the results.

Reading comprehension

1. What can accumulate on the filter?

Dust can accumulate on the filter.

2. What criterion does Noor set?

Every room must be measured in the same way.

3. What limitation do the authors acknowledge?

They acknowledge that open windows may affect results.

Cloze vocabulary quiz

1. Transitions made the explanation ___ from beginning to end.

Answer: coherent

2. Dust can ___ on a shelf that is rarely cleaned.

Answer: accumulate

3. The eyewitness gave a ___ account supported by photographs.

Answer: credible

4. The report should ___ evidence that challenges its conclusion.

Answer: acknowledge

5. Safety is the most important ___ in choosing a campsite.

Answer: criterion

Page 2: words 26–50

Vocabulary page 2
#	Word	Details	Meaning	Sample sentence
26	objective	adjective Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	based on facts rather than personal feelings	An objective review discusses both the strengths and weaknesses of the book.
27	paraphrase	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: paraphrase is the dictionary headword; compare its inflected or derived forms in context.	to express an idea in different words without changing its meaning	Students paraphrase the paragraph instead of copying it.
28	relevant	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: relevant is the dictionary headword; compare its inflected or derived forms in context.	closely connected to the subject being considered	Include only relevant details in the summary.
29	reference	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	a work or source consulted for information	The atlas is a useful reference when studying regional geography.
30	verify	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: verify is the dictionary headword; compare its inflected or derived forms in context.	to check that something is accurate or true	We verify the quotation by finding it in the original speech.
31	abstract	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: abstract is the dictionary headword; compare its inflected or derived forms in context.	existing as an idea rather than a physical object	Justice is an abstract concept that societies define in different ways.
32	scrutinize	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to examine something very closely and carefully	Editors scrutinize every figure before publishing the report.
33	correlate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: correlate is the dictionary headword; compare its inflected or derived forms in context.	to show or have a connection in which two things change together	The study may correlate regular exercise with improved sleep.
34	derive	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: derive is the dictionary headword; compare its inflected or derived forms in context.	to obtain or develop something from a particular source	Many English words derive from Latin and Greek roots.
35	empirical	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: empirical is the dictionary headword; compare its inflected or derived forms in context.	based on observation or experiment rather than theory alone	The team collected empirical data by measuring the plants each day.
36	hypothesis	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: hypothesis is the dictionary headword; compare its inflected or derived forms in context.	a testable explanation for an observation	Our hypothesis predicts that warmer water will dissolve sugar faster.
37	inquiry	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: inquiry is the dictionary headword; compare its inflected or derived forms in context.	a careful investigation or request for information	The class began an inquiry into the river's changing water level.
38	interrogate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: interrogate is the dictionary headword; compare its inflected or derived forms in context.	to question an idea, text, or person closely in search of information	Critical readers interrogate the article's assumptions and missing evidence.
39	qualitative	adjective Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	describing qualities rather than amounts or numbers	The interview provided qualitative information about residents' experiences.
40	quantitative	adjective Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	expressed or measured using amounts or numbers	The graph presents quantitative data from five years of rainfall.
41	ascertain	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: ascertain is the dictionary headword; compare its inflected or derived forms in context.	to find out something with certainty	The inspector tested the alarm to ascertain whether it worked.
42	consistent	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: consistent is the dictionary headword; compare its inflected or derived forms in context.	remaining the same in behavior, quality, or pattern	Her measurements were consistent across all three trials.
43	contradict	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: contradict is the dictionary headword; compare its inflected or derived forms in context.	to state the opposite of a claim or make it appear untrue	The new fossil may contradict the earlier timeline.
44	distort	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: distort is the dictionary headword; compare its inflected or derived forms in context.	to twist information or appearance so it is no longer accurate	A misleading scale can distort the differences shown on a graph.
45	generalize	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to form a broad statement from a limited number of examples	It is risky to generalize about an entire region after visiting one town.
46	misconception	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	an incorrect idea formed through misunderstanding	The lesson corrected the misconception that seasons result from Earth's distance from the sun.
47	nuance	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: nuance is the dictionary headword; compare its inflected or derived forms in context.	a small but important difference in meaning or feeling	The actor's quiet pause added nuance to the character's apology.
48	plausible	adjective Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	seeming reasonable or likely to be true	The detective considered each plausible explanation for the missing key.
49	preliminary	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: preliminary is the dictionary headword; compare its inflected or derived forms in context.	coming before the main or final stage	Preliminary results suggest that the treatment may be effective.
50	valid	adjective Study Field: Grade 6 academic reasoning word Word study: Base-form focus: valid is the dictionary headword; compare its inflected or derived forms in context.	based on sound reasoning or accepted evidence	The experiment needs a control group to produce a valid comparison.

Page 2 vocabulary review

Review five selected words from page 2.

Cloze vocabulary quiz

1. Critical readers ___ the article's assumptions and missing evidence.

Answer: interrogate

2. An ___ review discusses both the strengths and weaknesses of the book.

Answer: objective

3. The interview provided ___ information about residents' experiences.

Answer: qualitative

4. Students ___ the paragraph instead of copying it.

Answer: paraphrase

5. The graph presents ___ data from five years of rainfall.

Answer: quantitative

Page 3: words 51–75

Vocabulary page 3
#	Word	Details	Meaning	Sample sentence
51	aggregate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: aggregate is the dictionary headword; compare its inflected or derived forms in context.	to collect separate items into a total or whole	The website can aggregate rainfall records from many weather stations.
52	compile	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: compile is the dictionary headword; compare its inflected or derived forms in context.	to collect information and arrange it in an organized form	Students compile their field notes into a shared report.
53	dataset	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: dataset is the dictionary headword; compare its inflected or derived forms in context.	an organized collection of related facts or measurements	The dataset contains daily temperatures from twenty cities.
54	record	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: record is the dictionary headword; compare its inflected or derived forms in context.	stored information about an event, person, or measurement	The ship's log provides a record of the entire voyage.
55	framework	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: framework is the dictionary headword; compare its inflected or derived forms in context.	a basic structure that supports or organizes ideas	The outline provides a framework for the research paper.
56	protocol	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: protocol is the dictionary headword; compare its inflected or derived forms in context.	an established set of rules or steps for a procedure	The laboratory protocol requires goggles and closed shoes.
57	subset	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: subset is the dictionary headword; compare its inflected or derived forms in context.	a smaller group whose members are also part of a larger set	The survey examined a subset of the town's households.
58	simulate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: simulate is the dictionary headword; compare its inflected or derived forms in context.	to copy the conditions or behavior of a real system	The computer model can simulate the movement of a hurricane.
59	synthesize	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to combine information from several sources into a new understanding	The final paragraph should synthesize evidence from all three articles.
60	parameter	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: parameter is the dictionary headword; compare its inflected or derived forms in context.	a limit, condition, or measurable value that defines a system	The program lets users change each parameter in the model.
61	approximation	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a value or description that is close but not exact	Rounding 398 to 400 gives a useful approximation.
62	calibrate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: calibrate is the dictionary headword; compare its inflected or derived forms in context.	to adjust an instrument so that it measures accurately	Technicians calibrate the scale before weighing the samples.
63	dimension	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	a measurable feature such as length, width, height, or depth	Measure each dimension of the box before designing its cover.
64	extrapolate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: extrapolate is the dictionary headword; compare its inflected or derived forms in context.	to estimate an unknown value by extending a pattern in known information	Scientists extrapolate future sea levels from the measured trend.
65	margin	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: margin is the dictionary headword; compare its inflected or derived forms in context.	an amount by which a result differs from a limit or another value	The team won by a margin of three points.
66	precision	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the quality of being exact and carefully measured	Building the model requires precision because each piece must fit.
67	proportional relationship	noun Study Field: Grade 6 academic reasoning word Word study: Term structure: proportional + relationship. Study the complete expression as one field-specific unit.	a relationship in which two quantities change while keeping the same ratio	The table shows a proportional relationship because every ticket costs the same amount.
68	magnitude	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: magnitude is the dictionary headword; compare its inflected or derived forms in context.	the size, amount, or extent of something	The magnitude of the earthquake was recorded by several stations.
69	variance	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	the amount by which values differ from one another or from an expected value	Low variance means the repeated measurements stayed close together.
70	unit	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: unit is the dictionary headword; compare its inflected or derived forms in context.	a standard amount used for measurement	The meter is a unit used to measure length.
71	confer	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: confer is the dictionary headword; compare its inflected or derived forms in context.	to discuss something in order to exchange ideas or make a decision	The judges confer privately before announcing the winner.
72	consensus	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: consensus is the dictionary headword; compare its inflected or derived forms in context.	general agreement among the members of a group	After a long discussion, the council reached a consensus.
73	convey	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: convey is the dictionary headword; compare its inflected or derived forms in context.	to communicate or make an idea or feeling known	The photograph can convey the scale of the flood.
74	discourse	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: discourse is the dictionary headword; compare its inflected or derived forms in context.	serious spoken or written discussion about a subject	The debate encouraged respectful discourse about public transportation.
75	emphasize	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to give special importance or attention to something	Bold type can emphasize the report's main finding.

Page 3 vocabulary review

Review five selected words from page 3.

Cloze vocabulary quiz

1. The website can ___ rainfall records from many weather stations.

Answer: aggregate

2. Scientists ___ future sea levels from the measured trend.

Answer: extrapolate

3. Students ___ their field notes into a shared report.

Answer: compile

4. The team won by a ___ of three points.

Answer: margin

5. The ___ contains daily temperatures from twenty cities.

Answer: dataset

Page 4: words 76–100

Vocabulary page 4
#	Word	Details	Meaning	Sample sentence
76	mediate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: mediate is the dictionary headword; compare its inflected or derived forms in context.	to help opposing sides reach an agreement	A counselor agreed to mediate the dispute between the teams.
77	negotiate	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: negotiate is the dictionary headword; compare its inflected or derived forms in context.	to discuss terms in order to reach an agreement	The two groups will negotiate how to share the meeting space.
78	rebut	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: rebut is the dictionary headword; compare its inflected or derived forms in context.	to answer an argument by showing why it is mistaken	The scientist used new evidence to rebut the claim.
79	summarize	verb Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to state the main points briefly	At the end, summarize the article in two or three sentences.
80	tone	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: tone is the dictionary headword; compare its inflected or derived forms in context.	the attitude or feeling expressed by words or actions	The letter's respectful tone made the criticism easier to accept.
81	affix	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: affix is the dictionary headword; compare its inflected or derived forms in context.	a word part added to a base or root	The suffix “-ful” is an affix that can turn a noun into an adjective.
82	cognate	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: cognate is the dictionary headword; compare its inflected or derived forms in context.	a word related in origin to a word in another language	The English word “family” is a cognate of the Spanish word “familia.”
83	connotation	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	an idea or feeling suggested by a word beyond its literal meaning	The word “home” often has a warm connotation.
84	denotation	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the direct dictionary meaning of a word	The denotation of “dove” is a type of bird.
85	etymology	noun Study Field: Grade 6 academic reasoning word Word study: Root and suffix focus: -logy means the study of a subject.	the study or history of a word's origin	The etymology of “telephone” connects Greek roots meaning “far” and “sound.”
86	idiom	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: idiom is the dictionary headword; compare its inflected or derived forms in context.	an expression whose meaning differs from the meanings of its individual words	“Break the ice” is an idiom about making people feel more comfortable.
87	morpheme	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: morpheme is the dictionary headword; compare its inflected or derived forms in context.	the smallest word part that carries meaning	The plural “-s” is a morpheme in the word “cats.”
88	diction	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: diction is the dictionary headword; compare its inflected or derived forms in context.	a writer's or speaker's choice of words	The poet's formal diction creates a serious mood.
89	root	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: root is the dictionary headword; compare its inflected or derived forms in context.	the main word part that carries the basic meaning	The root “spect” relates to looking or seeing.
90	syntax	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: syntax is the dictionary headword; compare its inflected or derived forms in context.	the arrangement of words and phrases in sentences	Changing the syntax can place more emphasis on the final idea.
91	alliteration	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	repetition of beginning consonant sounds in nearby words	“Silver snakes slide” uses alliteration to create a hissing sound.
92	analogy	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: analogy is the dictionary headword; compare its inflected or derived forms in context.	a comparison used to explain how two different things are alike	The teacher used an analogy between the heart and a pump.
93	aside	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: aside is the dictionary headword; compare its inflected or derived forms in context.	a short remark spoken to the audience but not heard by other characters	In an aside, the actor revealed the villain's secret plan.
94	foreshadow	verb Study Field: Grade 6 academic reasoning word Word study: Base-form focus: foreshadow is the dictionary headword; compare its inflected or derived forms in context.	to hint at something that will happen later	The cracked compass may foreshadow trouble during the voyage.
95	imagery	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: imagery is the dictionary headword; compare its inflected or derived forms in context.	language that appeals to the senses and creates mental pictures	The poem's imagery makes readers hear the rain on the roof.
96	irony	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: irony is the dictionary headword; compare its inflected or derived forms in context.	a contrast between what is expected and what actually happens	There is irony in a fire station winning a prize for its flooded garden.
97	extended metaphor	noun Study Field: Grade 6 academic reasoning word Word study: Term structure: extended + metaphor. Study the complete expression as one field-specific unit.	a comparison developed through several connected details	The poem's extended metaphor compares a difficult journey with sailing through a storm.
98	motif	noun Study Field: Grade 6 academic reasoning word Word study: Base-form focus: motif is the dictionary headword; compare its inflected or derived forms in context.	an image, idea, or element repeated throughout a work	The recurring moon is a motif that appears whenever the hero feels lonely.
99	anthropomorphism	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	the portrayal of an animal or object as behaving like a human	The talking fox in the fable is an example of anthropomorphism.
100	symbolism	noun Study Field: Grade 6 academic reasoning word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	the use of an object or image to represent a larger idea	The broken chain provides symbolism for freedom.

Finding the Root of a Dispute

Reading practice for pages 4–6. Five relevant words are highlighted.

English reading

Two editors disagree about a sentence’s syntax. Their teacher helps mediate the discussion and asks them to identify the root of the confusion. Each editor may rebut an idea with evidence, then they negotiate a revision that preserves the meaning.

Reading comprehension

1. What causes the disagreement?

The editors disagree about syntax.

2. Who helps mediate?

Their teacher helps mediate.

3. How do they settle the dispute?

They negotiate an evidence-based revision.

Cloze vocabulary quiz

1. A counselor agreed to ___ the dispute between the teams.

Answer: mediate

2. The ___ “spect” relates to looking or seeing.

Answer: root

3. The two groups will ___ how to share the meeting space.

Answer: negotiate

4. Changing the ___ can place more emphasis on the final idea.

Answer: syntax

5. The scientist used new evidence to ___ the claim.

Answer: rebut

Page 5: words 101–125

Vocabulary page 5
#	Word	Details	Meaning	Sample sentence
101	archetype	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: archetype is the dictionary headword; compare its inflected or derived forms in context.	a familiar model of a character, event, or idea found in many stories	The wise guide is an archetype in myths from many cultures.
102	climax	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: climax is the dictionary headword; compare its inflected or derived forms in context.	the point of greatest tension or importance in a story	The climax occurs when the climber must choose whether to turn back.
103	confidant	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: confidant is the dictionary headword; compare its inflected or derived forms in context.	a trusted person with whom someone shares private thoughts	The princess tells her loyal attendant everything because he is her confidant.
104	dilemma	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: dilemma is the dictionary headword; compare its inflected or derived forms in context.	a difficult choice between two undesirable options	The character faces a dilemma when honesty may hurt her friend.
105	dynamic	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: dynamic is the dictionary headword; compare its inflected or derived forms in context.	changing in an important way during a story	The selfish prince is a dynamic character who learns generosity.
106	exposition	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result.	the opening information that introduces a story's setting and characters	The exposition explains why the family moved to the island.
107	flashback	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: flashback is the dictionary headword; compare its inflected or derived forms in context.	a scene that interrupts the present to show an earlier event	A flashback reveals how the two rivals first met.
108	resolution	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	the part of a story in which the main conflict is settled	In the resolution, the neighbors rebuild the damaged garden together.
109	static	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: static is the dictionary headword; compare its inflected or derived forms in context.	remaining essentially unchanged throughout a story	The stubborn mayor is a static character who ignores every warning.
110	suspense	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: suspense is the dictionary headword; compare its inflected or derived forms in context.	an anxious feeling about what may happen next	The ticking clock creates suspense during the rescue scene.
111	antithesis	noun Study Field: Grade 6 language and literature word Word study: Prefix focus: anti- means against or opposed to.	a strong contrast between opposite ideas	The speech presents courage as the antithesis of surrender.
112	hyperbole	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: hyperbole is the dictionary headword; compare its inflected or derived forms in context.	deliberate exaggeration used for emphasis or humor	“I waited a thousand years” is hyperbole, not a literal claim.
113	onomatopoeia	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: onomatopoeia is the dictionary headword; compare its inflected or derived forms in context.	a word whose sound imitates the noise it names	“Buzz” is onomatopoeia because it sounds like the noise of a bee.
114	oxymoron	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: oxymoron is the dictionary headword; compare its inflected or derived forms in context.	a phrase that combines words with opposite meanings	“Deafening silence” is an oxymoron.
115	paradox	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: paradox is the dictionary headword; compare its inflected or derived forms in context.	a statement that seems contradictory but may reveal a truth	“Less is more” is a paradox about the power of simplicity.
116	pun	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: pun is the dictionary headword; compare its inflected or derived forms in context.	a joke that uses the different meanings or sounds of words	The bakery sign's bread joke is a pun.
117	satire	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: satire is the dictionary headword; compare its inflected or derived forms in context.	humor or exaggeration used to criticize foolish behavior	The play uses satire to expose the mayor's vanity.
118	comparison	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: comparison is the dictionary headword; compare its inflected or derived forms in context.	an examination of similarities or differences between things	The essay makes a comparison between two creation myths.
119	understatement	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ment commonly forms a noun for an action, process, state, or result.	language that makes something seem less important or serious than it is	Calling a hurricane “a little wind” is an understatement.
120	wordplay	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: wordplay is the dictionary headword; compare its inflected or derived forms in context.	clever or humorous use of word meanings and sounds	The riddle depends on wordplay involving “sole” and “soul.”
121	chronological	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: chronological is the dictionary headword; compare its inflected or derived forms in context.	arranged in the order that events happened	The biography presents the inventor's life in chronological order.
122	digression	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	a temporary move away from the main subject	The paragraph about lunch is a digression from the essay's argument.
123	excerpt	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: excerpt is the dictionary headword; compare its inflected or derived forms in context.	a short section taken from a larger work	We read an excerpt from the explorer's journal.
124	pace	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: pace is the dictionary headword; compare its inflected or derived forms in context.	the speed at which a story or activity develops	Short sentences quicken the pace of the chase scene.
125	analogous	adjective Study Field: Grade 6 language and literature word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	similar in a way that makes a useful comparison possible	The two plots are analogous because each follows a child searching for home.

Page 5 vocabulary review

Review five selected words from page 5.

Cloze vocabulary quiz

1. “Deafening silence” is an ___.

Answer: oxymoron

2. The ___ occurs when the climber must choose whether to turn back.

Answer: climax

3. “Less is more” is a ___ about the power of simplicity.

Answer: paradox

4. The princess tells her loyal attendant everything because he is her ___.

Answer: confidant

5. The bakery sign's bread joke is a ___.

Answer: pun

Page 6: words 126–150

Vocabulary page 6
#	Word	Details	Meaning	Sample sentence
126	subplot	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: subplot is the dictionary headword; compare its inflected or derived forms in context.	a smaller story that develops alongside the main plot	A subplot follows the cook's attempt to solve the same mystery.
127	transition	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result.	a word, phrase, or passage that connects ideas or sections	The transition “in contrast” signals that the next idea will differ.
128	turning point	noun Study Field: Grade 6 language and literature word Word study: Term structure: turning + point. Study the complete expression as one field-specific unit.	an event that causes an important change in a situation	Finding the hidden letter is the turning point of the mystery.
129	unity	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: unity is the dictionary headword; compare its inflected or derived forms in context.	the quality of forming a clear and connected whole	Repeated images of water give the poem unity.
130	viewpoint	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: viewpoint is the dictionary headword; compare its inflected or derived forms in context.	the position or opinion from which something is considered	The novel shows the conflict from each sibling's viewpoint.
131	annotate	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: annotate is the dictionary headword; compare its inflected or derived forms in context.	to add notes that explain or respond to a text	Readers annotate the article by marking claims and unfamiliar terms.
132	caption	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: caption is the dictionary headword; compare its inflected or derived forms in context.	words that explain a picture, chart, or photograph	The caption identifies the people in the historical photograph.
133	heading	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: heading is the dictionary headword; compare its inflected or derived forms in context.	a title that introduces a section of text	The heading tells readers that the next section concerns migration.
134	index	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: index is the dictionary headword; compare its inflected or derived forms in context.	an alphabetical list showing where information appears in a book	Use the index to locate every page that discusses volcanoes.
135	sidebar	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: sidebar is the dictionary headword; compare its inflected or derived forms in context.	a short section beside the main text that provides related information	The sidebar explains how the photographer captured the image.
136	subheading	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: subheading is the dictionary headword; compare its inflected or derived forms in context.	a smaller title that divides a section into parts	A subheading introduces the paragraph about renewable energy.
137	text feature	noun Study Field: Grade 6 language and literature word Word study: Term structure: text + feature. Study the complete expression as one field-specific unit.	an element that organizes or explains information in a text	A timeline is a text feature that shows events in order.
138	thesis	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: thesis is the dictionary headword; compare its inflected or derived forms in context.	the main claim that a piece of argumentative writing develops	The essay's thesis argues that the wetland should be protected.
139	topic sentence	noun Study Field: Grade 6 language and literature word Word study: Term structure: topic + sentence. Study the complete expression as one field-specific unit.	a sentence that states the main idea of a paragraph	The topic sentence announces that bees support many food crops.
140	visualize	verb Study Field: Grade 6 language and literature word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to form a mental picture of something	Sensory details help readers visualize the crowded harbor.
141	cohesion	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the quality of parts fitting together in a clear, connected way	Pronouns and transitions give the paragraph cohesion.
142	concision	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the quality of expressing ideas clearly in few words	Removing repeated phrases improved the report's concision.
143	draft	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: draft is the dictionary headword; compare its inflected or derived forms in context.	an early version of writing that will be revised	Her first draft contains strong ideas but needs clearer organization.
144	edit	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: edit is the dictionary headword; compare its inflected or derived forms in context.	to correct and improve writing for meaning, structure, or accuracy	Partners edit each other's explanations for clarity.
145	fluency	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: fluency is the dictionary headword; compare its inflected or derived forms in context.	the ability to read, speak, or write smoothly and effectively	Daily practice improved his reading fluency.
146	revise	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: revise is the dictionary headword; compare its inflected or derived forms in context.	to improve a text by changing its ideas or organization	Writers revise the introduction after receiving feedback.
147	style	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: style is the dictionary headword; compare its inflected or derived forms in context.	the distinctive way a person uses language or creates art	The author's style combines short dialogue with vivid description.
148	narrative voice	noun Study Field: Grade 6 language and literature word Word study: Term structure: narrative + voice. Study the complete expression as one field-specific unit.	the personality and perspective through which a story is told	The playful narrative voice makes the serious topic approachable.
149	word choice	noun Study Field: Grade 6 language and literature word Word study: Term structure: word + choice. Study the complete expression as one field-specific unit.	the particular words selected to express meaning	Precise word choice helps readers picture the rough coastline.
150	workshop	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: workshop is the dictionary headword; compare its inflected or derived forms in context.	a session in which people practice and improve a skill together	During the writing workshop, students shared their revised leads.

Page 6 vocabulary review

Review five selected words from page 6.

Cloze vocabulary quiz

1. The ___ announces that bees support many food crops.

Answer: topic sentence

2. The ___ “in contrast” signals that the next idea will differ.

Answer: transition

3. Sensory details help readers ___ the crowded harbor.

Answer: visualize

4. Finding the hidden letter is the ___ of the mystery.

Answer: turning point

5. Pronouns and transitions give the paragraph ___.

Answer: cohesion

Page 7: words 151–175

Vocabulary page 7
#	Word	Details	Meaning	Sample sentence
151	clause	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: clause is the dictionary headword; compare its inflected or derived forms in context.	a group of words containing a subject and a verb	The sentence begins with a dependent clause.
152	complex sentence	noun Study Field: Grade 6 language and literature word Word study: Term structure: complex + sentence. Study the complete expression as one field-specific unit.	a sentence containing one independent clause and at least one dependent clause	“Although rain fell, we continued” is a complex sentence.
153	conditional	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: conditional is the dictionary headword; compare its inflected or derived forms in context.	expressing that one event depends on another	The conditional sentence explains what will happen if the temperature falls.
154	modifier	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: modifier is the dictionary headword; compare its inflected or derived forms in context.	a word or phrase that describes or limits another word	The modifier “ancient” tells readers more about the temple.
155	parallelism	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	use of matching grammatical structures for related ideas	The speech uses parallelism in “to learn, to serve, and to lead.”
156	phrase	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: phrase is the dictionary headword; compare its inflected or derived forms in context.	a group of related words that does not contain both a subject and a verb	“Across the bridge” is a prepositional phrase.
157	predicate	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: predicate is the dictionary headword; compare its inflected or derived forms in context.	the part of a sentence that tells what the subject does or is	In “The river flooded,” “flooded” is the predicate.
158	pronoun antecedent	noun Study Field: Grade 6 language and literature word Word study: Term structure: pronoun + antecedent. Study the complete expression as one field-specific unit.	the noun to which a pronoun refers	In “Lena found her keys,” “Lena” is the pronoun antecedent of “her.”
159	sentence fragment	noun Study Field: Grade 6 language and literature word Word study: Term structure: sentence + fragment. Study the complete expression as one field-specific unit.	an incomplete group of words punctuated as a sentence	“After the final bell” is a sentence fragment.
160	verb tense	noun Study Field: Grade 6 language and literature word Word study: Term structure: verb + tense. Study the complete expression as one field-specific unit.	a verb form that shows the time of an action or state	The writer keeps the verb tense in the past throughout the narrative.
161	alienate	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: alienate is the dictionary headword; compare its inflected or derived forms in context.	to make someone feel isolated or unfriendly	Mocking a teammate can alienate the rest of the group.
162	apprehensive	adjective Study Field: Grade 6 language and literature word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	worried that something unpleasant may happen	Nora felt apprehensive before speaking to the large audience.
163	composure	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: composure is the dictionary headword; compare its inflected or derived forms in context.	calm control of one's feelings and behavior	The goalkeeper kept her composure after the opposing team scored.
164	conscientious	adjective Study Field: Grade 6 language and literature word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	careful to do work correctly and responsibly	The conscientious volunteer checked every name on the list.
165	perspective-taking	noun Study Field: Grade 6 language and literature word Word study: Term structure: perspective + taking. Study the complete expression as one field-specific unit.	the effort to understand a situation from another person's point of view	Perspective-taking helped the two friends recognize why each felt hurt.
166	impulsive	adjective Study Field: Grade 6 language and literature word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	acting suddenly without considering the results	His impulsive decision to jump from the boat created danger.
167	probity	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	complete honesty and strong moral character	The treasurer's probity earned the community's trust.
168	resilient	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: resilient is the dictionary headword; compare its inflected or derived forms in context.	able to recover and continue after difficulty	The resilient community rebuilt homes after the storm.
169	self-reliant	adjective Study Field: Grade 6 language and literature word Word study: Term structure: self + reliant. Study the complete expression as one field-specific unit.	able to depend on one's own skills and judgment	The self-reliant camper knew how to cook and repair a torn tent.
170	vulnerable	adjective Study Field: Grade 6 language and literature word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	open to harm, attack, or damage	Young turtles are vulnerable to predators on the beach.
171	allegiance	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	loyalty to a person, group, or country	The knight promised allegiance to the new queen.
172	boycott	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: boycott is the dictionary headword; compare its inflected or derived forms in context.	to refuse to buy or use something as a form of protest	Residents may boycott the store until it changes its unfair policy.
173	campaign	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: campaign is the dictionary headword; compare its inflected or derived forms in context.	an organized effort to achieve a political or social goal	The recycling campaign reduced waste at the stadium.
174	civic	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: civic is the dictionary headword; compare its inflected or derived forms in context.	relating to the duties or life of a community	Voting is one form of civic participation.
175	constituent	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: constituent is the dictionary headword; compare its inflected or derived forms in context.	a person represented by an elected official	Each constituent may write to the senator about the proposed law.

A Complex Choice

Reading practice for pages 7–9. Five relevant words are highlighted.

English reading

The drama club studies perspective-taking before choosing a lead actor. A conditional rule says auditions will continue if scores are tied. Instead of making an impulsive choice, judges write a complex sentence about each performance, adding a precise modifier to explain every rating.

Reading comprehension

1. What skill does the club study?

The club studies perspective-taking.

2. When will auditions continue?

Auditions will continue if scores are tied.

3. How do judges avoid an impulsive choice?

They write precise explanations for their ratings.

Cloze vocabulary quiz

1. “Although rain fell, we continued” is a ___.

Answer: complex sentence

2. ___ helped the two friends recognize why each felt hurt.

Answer: perspective-taking

3. The ___ sentence explains what will happen if the temperature falls.

Answer: conditional

4. His ___ decision to jump from the boat created danger.

Answer: impulsive

5. The ___ “ancient” tells readers more about the temple.

Answer: modifier

Page 8: words 176–200

Vocabulary page 8
#	Word	Details	Meaning	Sample sentence
176	representative democracy	noun Study Field: Grade 6 language and literature word Word study: Term structure: representative + democracy. Study the complete expression as one field-specific unit.	government in which citizens elect people to make decisions on their behalf	In a representative democracy, voters can replace lawmakers at an election.
177	dissent	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: dissent is the dictionary headword; compare its inflected or derived forms in context.	public disagreement with an official decision or common opinion	The judge wrote a dissent explaining why she opposed the ruling.
178	legislation	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	laws considered or passed by a governing body	The new legislation requires safer drinking water.
179	petition	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	a formal written request signed by supporters	The petition asked the town to preserve the old theater.
180	referendum	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: referendum is the dictionary headword; compare its inflected or derived forms in context.	a public vote on a particular proposal or law	The tax plan will be decided by referendum.
181	amend	verb Study Field: Grade 6 language and literature word Word study: Base-form focus: amend is the dictionary headword; compare its inflected or derived forms in context.	to change a document or law in order to improve or correct it	Lawmakers voted to amend the bill before the final vote.
182	cabinet	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: cabinet is the dictionary headword; compare its inflected or derived forms in context.	a group of senior advisers who lead government departments	The president met with the cabinet to discuss the emergency.
183	coalition	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result.	a temporary alliance of groups working toward a shared goal	Several parties formed a coalition to pass the reform.
184	delegate	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: delegate is the dictionary headword; compare its inflected or derived forms in context.	a person chosen to represent others at a meeting	Each school sent a delegate to the youth council.
185	national	adjective Study Field: Grade 6 language and literature word Word study: Base-form focus: national is the dictionary headword; compare its inflected or derived forms in context.	relating to an entire country or its central government	The national government manages relations with other countries.
186	jurisdiction	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	the legal authority to make decisions within an area	The city court has jurisdiction over local traffic cases.
187	local governance	noun Study Field: Grade 6 language and literature word Word study: Term structure: local + governance. Study the complete expression as one field-specific unit.	the system by which a town, city, or district makes public decisions	Local governance determines how neighborhood parks are maintained.
188	regulation	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	an official rule made to control an activity	The safety regulation requires workers to wear helmets.
189	representative	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: representative is the dictionary headword; compare its inflected or derived forms in context.	a person chosen to speak or act for others	Our representative presented the neighborhood's concerns at the meeting.
190	sovereignty	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: sovereignty is the dictionary headword; compare its inflected or derived forms in context.	the right of a state or people to govern itself	The treaty recognized the island nation's sovereignty.
191	commodity	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	a raw material or product that can be bought and sold	Coffee is an important commodity in global trade.
192	purchaser	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: purchaser is the dictionary headword; compare its inflected or derived forms in context.	a person or organization that buys something	The purchaser checked the bicycle before completing the sale.
193	market demand	noun Study Field: Grade 6 language and literature word Word study: Term structure: market + demand. Study the complete expression as one field-specific unit.	the total amount of a product that buyers are willing to purchase	Market demand for umbrellas rose during the rainy month.
194	innovator	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: innovator is the dictionary headword; compare its inflected or derived forms in context.	a person who introduces a useful new idea or method	The innovator designed a low-cost filter for remote villages.
195	earnings	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: earnings is the dictionary headword; compare its inflected or derived forms in context.	money received from work or business activity	She saved part of her weekly earnings for a new laptop.
196	inflation	noun Study Field: Grade 6 language and literature word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a general rise in prices that reduces the buying power of money	Inflation made the same basket of groceries more expensive.
197	workforce	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: workforce is the dictionary headword; compare its inflected or derived forms in context.	all the people available or employed to do work in an area or organization	The factory expanded its workforce when orders increased.
198	resource shortage	noun Study Field: Grade 6 language and literature word Word study: Term structure: resource + shortage. Study the complete expression as one field-specific unit.	a situation in which too little of a needed material is available	The resource shortage forced hospitals to share oxygen tanks.
199	inventory	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: inventory is the dictionary headword; compare its inflected or derived forms in context.	the goods and materials a business or organization has available	The manager counted the inventory before ordering more paper.
200	tariff	noun Study Field: Grade 6 language and literature word Word study: Base-form focus: tariff is the dictionary headword; compare its inflected or derived forms in context.	a tax placed on goods brought into a country	The tariff increased the price of imported steel.

Page 8 vocabulary review

Review five selected words from page 8.

Cloze vocabulary quiz

1. The judge wrote a ___ explaining why she opposed the ruling.

Answer: dissent

2. The treaty recognized the island nation's ___.

Answer: sovereignty

3. The new ___ requires safer drinking water.

Answer: legislation

4. Coffee is an important ___ in global trade.

Answer: commodity

5. The ___ asked the town to preserve the old theater.

Answer: petition

Page 9: words 201–225

Vocabulary page 9
#	Word	Details	Meaning	Sample sentence
201	borderland	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: borderland is the dictionary headword; compare its inflected or derived forms in context.	an area near the boundary between two regions or countries	The borderland blended languages and traditions from both nations.
202	cartography	noun Study Field: Grade 6 civics and social studies word Word study: Root and suffix focus: -graphy relates to writing, recording, or describing.	the science or art of making maps	Modern cartography uses satellite images to show changing coastlines.
203	hemisphere	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: hemisphere is the dictionary headword; compare its inflected or derived forms in context.	one half of Earth, usually divided north and south or east and west	Australia lies mainly in the Southern Hemisphere.
204	latitude	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: latitude is the dictionary headword; compare its inflected or derived forms in context.	distance north or south of the equator measured in degrees	Places at high latitude often have cold winters.
205	longitude	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: longitude is the dictionary headword; compare its inflected or derived forms in context.	distance east or west of the prime meridian measured in degrees	Sailors use longitude with latitude to locate a position.
206	metropolitan	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: metropolitan is the dictionary headword; compare its inflected or derived forms in context.	relating to a large city and its surrounding communities	The metropolitan rail system connects downtown with nearby suburbs.
207	region	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: region is the dictionary headword; compare its inflected or derived forms in context.	an area defined by shared physical or human features	Heavy rainfall is common throughout the coastal region.
208	topography	noun Study Field: Grade 6 civics and social studies word Word study: Root and suffix focus: -graphy relates to writing, recording, or describing.	the shape and physical features of an area's surface	The steep topography made road construction difficult.
209	tributary	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: tributary is the dictionary headword; compare its inflected or derived forms in context.	a smaller river or stream that flows into a larger one	The creek is a tributary of the main river.
210	watershed	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: watershed is the dictionary headword; compare its inflected or derived forms in context.	an area of land from which water drains into the same river or lake	Pollution anywhere in the watershed can reach the reservoir.
211	artifact	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: artifact is the dictionary headword; compare its inflected or derived forms in context.	an object made or changed by humans, especially one from the past	The clay bowl is an artifact from the ancient settlement.
212	chronicle	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: chronicle is the dictionary headword; compare its inflected or derived forms in context.	a record of events arranged in the order they occurred	The monk's chronicle describes several years of drought.
213	civilization	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	a complex human society with organized government, culture, and technology	The river supported a civilization of farmers and traders.
214	dynasty	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: dynasty is the dictionary headword; compare its inflected or derived forms in context.	a series of rulers from the same family	The dynasty governed the kingdom for nearly two centuries.
215	empire	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: empire is the dictionary headword; compare its inflected or derived forms in context.	a group of territories ruled by one state or leader	Roads helped the empire move soldiers and messages quickly.
216	legacy	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: legacy is the dictionary headword; compare its inflected or derived forms in context.	an influence or achievement passed from the past to later generations	The scientist's legacy includes both discoveries and trained students.
217	oral history	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: oral + history. Study the complete expression as one field-specific unit.	recorded memories or accounts spoken by people who experienced events	The museum preserves oral history from former factory workers.
218	primary source	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: primary + source. Study the complete expression as one field-specific unit.	original evidence created during the time being studied	A soldier's letter is a primary source about the battle.
219	secondary source	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: secondary + source. Study the complete expression as one field-specific unit.	an account created later by someone using primary evidence	A modern textbook is a secondary source about the revolution.
220	society	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: society is the dictionary headword; compare its inflected or derived forms in context.	a community of people linked by shared institutions and relationships	Trade shaped the society that developed around the harbor.
221	annex	verb Study Field: Grade 6 civics and social studies word Word study: Base-form focus: annex is the dictionary headword; compare its inflected or derived forms in context.	to add territory to a country, city, or other political unit	The city voted to annex the land beside the highway.
222	colonial	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: colonial is the dictionary headword; compare its inflected or derived forms in context.	relating to a colony or a period of foreign settlement and rule	The museum restored a colonial house built by early settlers.
223	conquest	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: conquest is the dictionary headword; compare its inflected or derived forms in context.	the act of taking control of a place by force	The conquest changed the region's government and language.
224	diplomacy	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: diplomacy is the dictionary headword; compare its inflected or derived forms in context.	the management of relations between countries through discussion	Diplomacy prevented the border dispute from becoming a war.
225	displace	verb Study Field: Grade 6 civics and social studies word Word study: Base-form focus: displace is the dictionary headword; compare its inflected or derived forms in context.	to force people or things away from their usual place	The reservoir project may displace several farming families.

Page 9 vocabulary review

Review five selected words from page 9.

Cloze vocabulary quiz

1. Roads helped the ___ move soldiers and messages quickly.

Answer: empire

2. Australia lies mainly in the Southern ___.

Answer: hemisphere

3. The scientist's ___ includes both discoveries and trained students.

Answer: legacy

4. Places at high ___ often have cold winters.

Answer: latitude

5. The museum preserves ___ from former factory workers.

Answer: oral history

Page 10: words 226–250

Vocabulary page 10
#	Word	Details	Meaning	Sample sentence
226	imperialism	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	a policy of extending a country's control over other lands or peoples	Imperialism allowed powerful states to seize distant resources.
227	indigenous	adjective Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	originating naturally in a region or belonging to its earliest known peoples	The exhibit honors indigenous knowledge of local plants.
228	reform	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: reform is the dictionary headword; compare its inflected or derived forms in context.	a change intended to improve a system or institution	The education reform provided books to rural schools.
229	resistance	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	opposition to force, control, or change	Local resistance delayed the invading army.
230	urbanization	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	the growth of cities and movement of people into them	Rapid urbanization created a need for more housing and transit.
231	inherited trait	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: inherited + trait. Study the complete expression as one field-specific unit.	a characteristic passed genetically from parents to offspring	Eye color is an inherited trait in humans.
232	biodiversity	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	the variety of living things in an area	The rainforest supports extraordinary biodiversity.
233	biotic	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: biotic is the dictionary headword; compare its inflected or derived forms in context.	relating to living parts of an environment	Plants, animals, and fungi are biotic factors in a forest.
234	carrying capacity	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: carrying + capacity. Study the complete expression as one field-specific unit.	the largest population an environment can support over time	A drought can lower the carrying capacity of a grassland.
235	biological community	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: biological + community. Study the complete expression as one field-specific unit.	all populations of different species living and interacting in an area	The biological community of a pond includes fish, algae, insects, and frogs.
236	interspecific competition	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: interspecific + competition. Study the complete expression as one field-specific unit.	a struggle between members of different species for the same limited resource	Interspecific competition occurs when weeds and crops seek the same sunlight.
237	ecological	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: ecological is the dictionary headword; compare its inflected or derived forms in context.	relating to connections between organisms and their environment	The oil spill caused serious ecological damage along the coast.
238	niche	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: niche is the dictionary headword; compare its inflected or derived forms in context.	the role an organism plays in its environment	A bee's niche includes pollinating flowers while gathering nectar.
239	population density	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: population + density. Study the complete expression as one field-specific unit.	the number of individuals living in a given area	The city's population density is greater downtown than in the suburbs.
240	symbiosis	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: symbiosis is the dictionary headword; compare its inflected or derived forms in context.	a close relationship between organisms of different species	The partnership between coral and algae is a form of symbiosis.
241	cellular	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: cellular is the dictionary headword; compare its inflected or derived forms in context.	relating to the cells of living things	The microscope revealed damage at the cellular level.
242	chromosome	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: chromosome is the dictionary headword; compare its inflected or derived forms in context.	a structure in a cell that carries genetic information	Each chromosome contains many genes.
243	diffusion	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the movement of particles from a crowded area to a less crowded area	The scent spread through the room by diffusion.
244	enzyme	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: enzyme is the dictionary headword; compare its inflected or derived forms in context.	a protein that speeds up a chemical reaction in a living thing	A digestive enzyme helps break food into smaller molecules.
245	heredity	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	the passing of traits from parents to offspring	Heredity explains why young plants may resemble their parents.
246	membrane	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: membrane is the dictionary headword; compare its inflected or derived forms in context.	a thin layer that surrounds or separates parts of a living thing	The cell membrane controls what enters and leaves the cell.
247	metabolism	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	the chemical processes that keep an organism alive	Exercise causes the body's metabolism to use energy more quickly.
248	organelle	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: organelle is the dictionary headword; compare its inflected or derived forms in context.	a specialized structure that performs a job within a cell	A mitochondrion is an organelle that helps release energy.
249	life-form	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: life + form. Study the complete expression as one field-specific unit.	an organism or type of living thing	The probe searches for any microbial life-form beneath the ice.
250	carbon fixation	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: carbon + fixation. Study the complete expression as one field-specific unit.	the process by which living things convert carbon dioxide into organic compounds	Plants begin carbon fixation while using light energy to make sugar.

Life Inside a Cell

Reading practice for pages 10–12. Five relevant words are highlighted.

English reading

A science team models cellular life with a clear gel. A string represents a chromosome, while beads show helpful microbes living in symbiosis with a host. The students reform the model after learning that antibiotic resistance can spread between bacteria.

Reading comprehension

1. What does the string represent?

The string represents a chromosome.

2. What relationship do the microbes show?

They show symbiosis.

3. Why do students reform the model?

They learn that resistance can spread between bacteria.

Cloze vocabulary quiz

1. The partnership between coral and algae is a form of ___.

Answer: symbiosis

2. The education ___ provided books to rural schools.

Answer: reform

3. The microscope revealed damage at the ___ level.

Answer: cellular

4. Local ___ delayed the invading army.

Answer: resistance

5. Each ___ contains many genes.

Answer: chromosome

Page 11: words 251–275

Vocabulary page 11
#	Word	Details	Meaning	Sample sentence
251	habitat protection	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: habitat + protection. Study the complete expression as one field-specific unit.	actions taken to preserve the places where organisms live	Habitat protection helped the sea turtles return to the beach.
252	deforestation	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	large-scale clearing of forests	Deforestation can destroy habitats and increase soil erosion.
253	ecosystem service	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: ecosystem + service. Study the complete expression as one field-specific unit.	a benefit that people receive from natural systems	Pollination is an ecosystem service provided by insects.
254	emission	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	a substance released into air, water, or the environment	The factory installed filters to reduce each harmful emission.
255	invasive	adjective Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	spreading into an area and harming native species or systems	The invasive vine covered trees and blocked sunlight.
256	finite resource	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: finite + resource. Study the complete expression as one field-specific unit.	a useful material or supply that exists in a limited amount	Petroleum is a finite resource that forms extremely slowly.
257	pollutant	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: pollutant is the dictionary headword; compare its inflected or derived forms in context.	a substance that contaminates the environment	Mercury is a pollutant that can accumulate in fish.
258	regenerative	adjective Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	able to renew, restore, or grow again	Regenerative farming practices rebuild soil instead of exhausting it.
259	sustainability	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action.	use of resources in a way that can continue without long-term harm	The farm improved sustainability by rebuilding the soil.
260	watershed management	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: watershed + management. Study the complete expression as one field-specific unit.	planning that protects and uses the water resources of a drainage area	Watershed management reduced erosion near the reservoir.
261	continental drift	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: continental + drift. Study the complete expression as one field-specific unit.	the slow movement of Earth's continents over geologic time	Continental drift explains why matching fossils occur on distant shores.
262	lithosphere	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: lithosphere is the dictionary headword; compare its inflected or derived forms in context.	Earth's rigid outer layer, including the crust and uppermost mantle	The lithosphere is divided into moving tectonic plates.
263	abrasion	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	wearing away caused by scraping or rubbing	Windblown sand causes abrasion on exposed rock.
264	rupture	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: rupture is the dictionary headword; compare its inflected or derived forms in context.	a sudden break or tear in a material or structure	The earthquake began with a rupture deep beneath the valley.
265	geologic	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: geologic is the dictionary headword; compare its inflected or derived forms in context.	relating to Earth's physical structure and history	Fossils reveal changes across geologic time.
266	mantle	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: mantle is the dictionary headword; compare its inflected or derived forms in context.	the thick layer of hot rock between Earth's crust and core	Slow movement in the mantle helps drive plate motion.
267	crystalline solid	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: crystalline + solid. Study the complete expression as one field-specific unit.	a solid whose particles form an orderly repeating pattern	Salt is a crystalline solid with cube-shaped crystals.
268	plate tectonics	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: plate + tectonics. Study the complete expression as one field-specific unit.	the theory that Earth's outer shell is divided into moving plates	Plate tectonics explains many earthquakes and volcanoes.
269	deposition	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result.	the laying down of material carried by water, wind, ice, or gravity	River deposition formed a sandbar near the bend.
270	chemical weathering	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: chemical + weathering. Study the complete expression as one field-specific unit.	the breakdown of rock through reactions that change its minerals	Acidic water causes chemical weathering in limestone.
271	air mass	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: air + mass. Study the complete expression as one field-specific unit.	a large body of air with similar temperature and moisture	A cold air mass moved south across the plains.
272	barometer	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: barometer is the dictionary headword; compare its inflected or derived forms in context.	an instrument that measures air pressure	The falling barometer warned sailors of an approaching storm.
273	cloud formation	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: cloud + formation. Study the complete expression as one field-specific unit.	the process in which water vapor cools and gathers into tiny droplets or ice crystals	Cloud formation begins when rising air cools.
274	convection	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	transfer of heat through the movement of a fluid	Convection carries warm air upward and cool air downward.
275	boundary	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: boundary is the dictionary headword; compare its inflected or derived forms in context.	a line or zone separating two areas or conditions	Storms formed near the boundary between warm and cold air.

Page 11 vocabulary review

Review five selected words from page 11.

Cloze vocabulary quiz

1. Pollination is an ___ provided by insects.

Answer: ecosystem service

2. Slow movement in the ___ helps drive plate motion.

Answer: mantle

3. The factory installed filters to reduce each harmful ___.

Answer: emission

4. Salt is a ___ with cube-shaped crystals.

Answer: crystalline solid

5. The ___ vine covered trees and blocked sunlight.

Answer: invasive

Page 12: words 276–300

Vocabulary page 12
#	Word	Details	Meaning	Sample sentence
276	moisture content	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: moisture + content. Study the complete expression as one field-specific unit.	the amount of water present in a material or in the air	The air's moisture content increased before the rain.
277	rainfall	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: rainfall is the dictionary headword; compare its inflected or derived forms in context.	the amount of rain received in a place during a period of time	Annual rainfall is much lower in the desert.
278	pressure system	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: pressure + system. Study the complete expression as one field-specific unit.	a large area of relatively high or low air pressure	A low-pressure system often brings clouds and rain.
279	water cycle	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: water + cycle. Study the complete expression as one field-specific unit.	the continuous movement of water through Earth and the atmosphere	The water cycle includes evaporation, condensation, and precipitation.
280	weather forecast	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: weather + forecast. Study the complete expression as one field-specific unit.	a prediction of future atmospheric conditions	The weather forecast calls for snow after midnight.
281	asteroid	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: asteroid is the dictionary headword; compare its inflected or derived forms in context.	a rocky object that travels around the sun	The probe photographed an asteroid between Mars and Jupiter.
282	cosmic	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: cosmic is the dictionary headword; compare its inflected or derived forms in context.	relating to the universe beyond Earth	The detector measures cosmic radiation from space.
283	eclipse	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: eclipse is the dictionary headword; compare its inflected or derived forms in context.	an event in which one object in space blocks light from another	During a solar eclipse, the moon passes between Earth and the sun.
284	galaxy	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: galaxy is the dictionary headword; compare its inflected or derived forms in context.	a vast group of stars, gas, and dust held together by gravity	Our solar system lies within the Milky Way galaxy.
285	gravitational	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: gravitational is the dictionary headword; compare its inflected or derived forms in context.	relating to the force that attracts masses toward one another	The moon's gravitational pull contributes to ocean tides.
286	light-year	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: light + year. Study the complete expression as one field-specific unit.	the distance light travels in one year	A light-year is a distance of nearly 9.5 trillion kilometers.
287	lunar	adjective Study Field: Grade 6 civics and social studies word Word study: Base-form focus: lunar is the dictionary headword; compare its inflected or derived forms in context.	relating to the moon	A lunar eclipse occurs when Earth blocks sunlight from reaching the moon.
288	orbit	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: orbit is the dictionary headword; compare its inflected or derived forms in context.	the curved path of an object around another object in space	The satellite completes one orbit every ninety minutes.
289	rotation	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	the spinning of an object around its axis	Earth's rotation causes day and night.
290	solar system	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: solar + system. Study the complete expression as one field-specific unit.	the sun and all objects held in orbit around it	Eight planets travel through our solar system.
291	acceleration	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the rate at which velocity changes	The bicycle's acceleration increased as the rider pedaled harder.
292	air resistance	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: air + resistance. Study the complete expression as one field-specific unit.	a force from air that opposes the motion of an object	Air resistance becomes stronger as the cyclist speeds up.
293	inertia	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: inertia is the dictionary headword; compare its inflected or derived forms in context.	the tendency of an object to resist a change in motion	Because of inertia, passengers move forward when a bus stops suddenly.
294	momentum	noun Study Field: Grade 6 civics and social studies word Word study: Base-form focus: momentum is the dictionary headword; compare its inflected or derived forms in context.	the quantity of motion an object has because of its mass and velocity	The heavy cart had enough momentum to roll up the small hill.
295	net force	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: net + force. Study the complete expression as one field-specific unit.	the combined effect of all forces acting on an object	A zero net force means the object's motion will not change.
296	potential energy	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: potential + energy. Study the complete expression as one field-specific unit.	stored energy based on position or condition	The raised weight has potential energy.
297	unit rate	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: unit + rate. Study the complete expression as one field-specific unit.	a comparison that tells an amount for one unit of another quantity	The train's unit rate was ninety kilometers per hour.
298	velocity	noun Study Field: Grade 6 civics and social studies word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	speed in a particular direction	The boat's velocity changed when it turned east.
299	energy transfer	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: energy + transfer. Study the complete expression as one field-specific unit.	the movement of energy from one object or system to another	Heating the pan causes energy transfer from the stove.
300	mechanical advantage	noun Study Field: Grade 6 civics and social studies word Word study: Term structure: mechanical + advantage. Study the complete expression as one field-specific unit.	the amount a machine multiplies an applied force	A long lever provides greater mechanical advantage.

Page 12 vocabulary review

Review five selected words from page 12.

Cloze vocabulary quiz

1. A low-___ often brings clouds and rain.

Answer: pressure system

2. The bicycle's ___ increased as the rider pedaled harder.

Answer: acceleration

3. The ___ includes evaporation, condensation, and precipitation.

Answer: water cycle

4. ___ becomes stronger as the cyclist speeds up.

Answer: air resistance

5. The ___ calls for snow after midnight.

Answer: weather forecast

Page 13: words 301–325

Vocabulary page 13
#	Word	Details	Meaning	Sample sentence
301	subatomic particle	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: subatomic + particle. Study the complete expression as one field-specific unit.	a particle smaller than an atom, such as a proton, neutron, or electron	An electron is a negatively charged subatomic particle.
302	chemical compound	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + compound. Study the complete expression as one field-specific unit.	a substance formed when elements bond in fixed proportions	Water is a chemical compound made of hydrogen and oxygen.
303	concentration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the amount of a substance present in a given volume	Evaporation increased the salt concentration in the remaining water.
304	chemical element	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + element. Study the complete expression as one field-specific unit.	a pure substance made of only one kind of atom	Gold is a chemical element represented by the symbol Au.
305	suspension	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	a mixture containing particles that may settle out over time	Muddy water is a suspension because soil particles eventually sink.
306	chemical bond	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: chemical + bond. Study the complete expression as one field-specific unit.	an attraction that holds atoms or ions together	A chemical bond joins the hydrogen and oxygen atoms in water.
307	physical change	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: physical + change. Study the complete expression as one field-specific unit.	a change in form that does not create a new substance	Melting ice is a physical change.
308	reactant	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: reactant is the dictionary headword; compare its inflected or derived forms in context.	a starting substance in a chemical reaction	Oxygen is a reactant when wood burns.
309	homogeneous mixture	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: homogeneous + mixture. Study the complete expression as one field-specific unit.	a mixture with the same composition throughout	Salt water is a homogeneous mixture when the salt dissolves completely.
310	solute	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: solute is the dictionary headword; compare its inflected or derived forms in context.	the substance dissolved in a solution	Sugar is the solute in sweetened tea.
311	constraint	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: constraint is the dictionary headword; compare its inflected or derived forms in context.	a limit or requirement that a design must meet	Cost was a constraint when the team chose building materials.
312	prototype	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: prototype is the dictionary headword; compare its inflected or derived forms in context.	an early model built to test a design	The engineers tested a cardboard prototype before using metal.
313	iteration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	one repeated version in a process of testing and improvement	Each iteration of the bridge held more weight.
314	mechanism	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	a set of moving parts that work together to perform a task	A spring mechanism closes the door automatically.
315	optimize	verb Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ize commonly forms a verb meaning to make, become, or apply.	to make something work as effectively as possible	The team will optimize the blade angle to capture more wind.
316	specification	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a detailed requirement describing how something should be made or perform	The ramp must meet the safety specification for maximum slope.
317	integrated system	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: integrated + system. Study the complete expression as one field-specific unit.	a group of connected parts designed to operate together	The greenhouse uses an integrated system for heating, watering, and ventilation.
318	technology	noun Study Field: Grade 6 science and mathematics word Word study: Root and suffix focus: -logy means the study of a subject.	tools and knowledge used to solve practical problems	Solar technology converts sunlight into useful electricity.
319	trade-off	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: trade + off. Study the complete expression as one field-specific unit.	a balance in which gaining one benefit requires giving up another	Using stronger metal created a trade-off between strength and cost.
320	troubleshoot	verb Study Field: Grade 6 science and mathematics word Word study: Base-form focus: troubleshoot is the dictionary headword; compare its inflected or derived forms in context.	to locate and solve the cause of a problem	The technician will troubleshoot the circuit one connection at a time.
321	coefficient	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: coefficient is the dictionary headword; compare its inflected or derived forms in context.	a number multiplied by a variable in an expression	In 5x, the number 5 is the coefficient.
322	coordinate plane	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: coordinate + plane. Study the complete expression as one field-specific unit.	a grid formed by two number lines used to locate points	Plot the point at (3, 2) on the coordinate plane.
323	multiplicative inverse	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: multiplicative + inverse. Study the complete expression as one field-specific unit.	a number that produces one when multiplied by a given nonzero number	One-fourth is the multiplicative inverse of four.
324	distributive property	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: distributive + property. Study the complete expression as one field-specific unit.	a rule for multiplying a sum by multiplying each addend separately	The distributive property changes 3(4 + 2) into 12 + 6.
325	algebraic equation	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: algebraic + equation. Study the complete expression as one field-specific unit.	a statement that two algebraic expressions have equal value	The algebraic equation x + 4 = 9 has the solution x = 5.

Mixing Matter

Reading practice for pages 13–15. Five relevant words are highlighted.

English reading

A copper wire is made from a chemical element, while salt is a chemical compound. Each substance contains more than one kind of subatomic particle. In another beaker, soil forms a suspension in water. Adding more soil raises its concentration.

Reading comprehension

1. Which material is a chemical element?

Copper is a chemical element.

2. What forms a suspension?

Soil forms a suspension in water.

3. What raises the concentration?

Adding more soil raises the concentration.

Page 14: words 326–350

Vocabulary page 14
#	Word	Details	Meaning	Sample sentence
326	algebraic expression	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: algebraic + expression. Study the complete expression as one field-specific unit.	a mathematical phrase containing numbers, variables, and operations	The algebraic expression 2n + 3 does not contain an equals sign.
327	inequality	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	a mathematical statement comparing values that are not necessarily equal	The inequality x > 7 represents all numbers greater than seven.
328	dividend	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: dividend is the dictionary headword; compare its inflected or derived forms in context.	the number that is being divided in a division problem	In 20 ÷ 4, twenty is the dividend.
329	ordered pair	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: ordered + pair. Study the complete expression as one field-specific unit.	two numbers that identify a point's horizontal and vertical positions	The ordered pair (2, 5) names one point on the graph.
330	variable expression	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: variable + expression. Study the complete expression as one field-specific unit.	a mathematical expression that contains one or more variables	The variable expression 4m represents four times a number.
331	absolute value	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: absolute + value. Study the complete expression as one field-specific unit.	a number's distance from zero on a number line	The absolute value of negative six is six.
332	composite number	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: composite + number. Study the complete expression as one field-specific unit.	a whole number with more than two positive factors	Twelve is a composite number because it has several factor pairs.
333	integer	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: integer is the dictionary headword; compare its inflected or derived forms in context.	a whole number, its opposite, or zero	Negative three is an integer.
334	least common multiple	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: least + common + multiple. Study the complete expression as one field-specific unit.	the smallest positive number that is a multiple of two or more numbers	Twelve is the least common multiple of three and four.
335	arithmetic average	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: arithmetic + average. Study the complete expression as one field-specific unit.	the sum of a group of numbers divided by how many numbers there are	The arithmetic average of 4, 6, and 8 is 6.
336	quartile	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: quartile is the dictionary headword; compare its inflected or derived forms in context.	one of the values that divides ordered data into four equal groups	The lower quartile marks the point below which one-fourth of the data fall.
337	frequency distribution	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: frequency + distribution. Study the complete expression as one field-specific unit.	an arrangement showing how often each value or interval occurs	The frequency distribution shows that most journeys lasted ten to fifteen minutes.
338	prime number	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: prime + number. Study the complete expression as one field-specific unit.	a whole number greater than one with exactly two positive factors	Thirteen is a prime number.
339	data spread	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: data + spread. Study the complete expression as one field-specific unit.	the amount of variation among values in a dataset	The data spread is small because all measurements are close together.
340	statistical	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: statistical is the dictionary headword; compare its inflected or derived forms in context.	relating to the collection and analysis of numerical data	The survey revealed a statistical pattern in commuting times.
341	antibody	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: antibody is the dictionary headword; compare its inflected or derived forms in context.	a protein made by the immune system that recognizes a specific harmful substance	Each antibody can attach to a particular target on a pathogen.
342	circulatory	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: circulatory is the dictionary headword; compare its inflected or derived forms in context.	relating to the movement of blood through the heart and blood vessels	The circulatory system delivers oxygen throughout the body.
343	diagnosis	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: diagnosis is the dictionary headword; compare its inflected or derived forms in context.	the identification of an illness or problem from its signs and evidence	The doctor confirmed the diagnosis after reviewing the test results.
344	immune response	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: immune + response. Study the complete expression as one field-specific unit.	the body's organized reaction to a harmful substance or organism	The immune response produces cells that attack the virus.
345	micronutrient	noun Study Field: Grade 6 science and mathematics word Word study: Prefix focus: micro- means small.	a vitamin or mineral the body needs in small amounts	Iron is a micronutrient needed to carry oxygen in the blood.
346	pathogen	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: pathogen is the dictionary headword; compare its inflected or derived forms in context.	a microorganism or other agent that can cause disease	Washing hands helps prevent a pathogen from spreading.
347	respiratory	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: respiratory is the dictionary headword; compare its inflected or derived forms in context.	relating to breathing and the organs used to breathe	Smoke can irritate the respiratory system.
348	transmission	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the process by which something passes from one person, place, or thing to another	Clean water systems reduce the transmission of several diseases.
349	immunization	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	the process of making a person resistant to a disease, usually through vaccination	The clinic provides immunization against several childhood illnesses.
350	wellness	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ness forms a noun naming a quality or state.	the condition of being healthy in body and mind	Regular movement and sufficient sleep support overall wellness.

Page 15: words 351–375

Vocabulary page 15
#	Word	Details	Meaning	Sample sentence
351	balanced diet	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: balanced + diet. Study the complete expression as one field-specific unit.	a pattern of eating that provides suitable amounts of different nutrients	A balanced diet includes varied sources of protein, fiber, vitamins, and minerals.
352	dehydration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a harmful condition caused by losing more water than the body takes in	The runner stopped to prevent dehydration in the intense heat.
353	digestive process	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: digestive + process. Study the complete expression as one field-specific unit.	the series of actions that breaks food down so nutrients can be absorbed	Chewing is the first step in the digestive process.
354	endurance	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	the ability to continue an activity despite effort or difficulty	Swimming regularly improved her endurance.
355	flexibility	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ibility forms a noun for the capacity to have a quality or perform an action.	the ability of a body part to bend or move through a range of motion	Gentle stretching can improve flexibility.
356	mental health	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: mental + health. Study the complete expression as one field-specific unit.	a person's emotional, psychological, and social well-being	Rest and supportive relationships can protect mental health.
357	posture	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: posture is the dictionary headword; compare its inflected or derived forms in context.	the position in which someone holds the body	Good posture keeps the screen near eye level and the shoulders relaxed.
358	reflex	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: reflex is the dictionary headword; compare its inflected or derived forms in context.	a quick, automatic response to a stimulus	Pulling a hand from a hot surface is a protective reflex.
359	stress response	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: stress + response. Study the complete expression as one field-specific unit.	the body's physical and emotional reaction to a challenge or threat	Slow breathing can calm the stress response before a speech.
360	warning sign	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: warning + sign. Study the complete expression as one field-specific unit.	a condition or change that suggests a possible problem	A persistent cough can be a warning sign of respiratory illness.
361	algorithm	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: algorithm is the dictionary headword; compare its inflected or derived forms in context.	a precise sequence of steps for solving a problem or completing a task	The search engine uses an algorithm to rank results.
362	archive	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: archive is the dictionary headword; compare its inflected or derived forms in context.	a collection of records preserved for reference or research	The digital archive contains scanned newspapers from the last century.
363	cybersecurity	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	the protection of computer systems and information from digital attacks	Strong passwords are one part of good cybersecurity.
364	database	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: database is the dictionary headword; compare its inflected or derived forms in context.	an organized collection of information that can be searched and updated	The library database lets readers find books by subject.
365	encryption	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	the conversion of information into a coded form to prevent unauthorized access	The messaging service uses encryption to protect private conversations.
366	interface	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: interface is the dictionary headword; compare its inflected or derived forms in context.	the controls and displays through which a user interacts with a system	The app's interface uses clear labels and large buttons.
367	metadata	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: metadata is the dictionary headword; compare its inflected or derived forms in context.	information that describes another piece of data	A photograph's metadata may include its date and file size.
368	network	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: network is the dictionary headword; compare its inflected or derived forms in context.	a group of connected computers, devices, or people that exchange information	The school network links classroom computers to shared printers.
369	privacy	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: privacy is the dictionary headword; compare its inflected or derived forms in context.	the right or ability to control access to personal information or space	Check the privacy settings before sharing a photograph.
370	software	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: software is the dictionary headword; compare its inflected or derived forms in context.	programs and instructions that tell a computer what to do	The designer updated the software to fix a security problem.
371	attribution	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	a statement identifying the creator or source of material	The image requires attribution to its photographer.
372	copyright	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: copyright is the dictionary headword; compare its inflected or derived forms in context.	legal protection that gives creators control over use of their original work	Copyright prevents others from republishing the novel without permission.
373	digital footprint	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: digital + footprint. Study the complete expression as one field-specific unit.	the record of information a person leaves through online activity	A thoughtful user considers how each post affects a digital footprint.
374	misinformation	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	false or inaccurate information, whether shared deliberately or by mistake	The correction stopped the misinformation from spreading further.
375	plagiarism	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ism often names a belief, system, movement, or practice.	presenting another person's words or ideas as one's own	Copying a paragraph without credit is plagiarism.

Page 16: words 376–400

Vocabulary page 16
#	Word	Details	Meaning	Sample sentence
376	search query	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: search + query. Study the complete expression as one field-specific unit.	words entered into a search system to request information	A specific search query produced more useful results.
377	source credibility	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: source + credibility. Study the complete expression as one field-specific unit.	the degree to which an information source deserves trust	Authorship and evidence both affect source credibility.
378	sponsored content	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: sponsored + content. Study the complete expression as one field-specific unit.	material paid for by an advertiser but presented in a form similar to other content	The label identified the article as sponsored content.
379	user agreement	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: user + agreement. Study the complete expression as one field-specific unit.	the terms a person accepts in order to use a service	Read the user agreement before allowing the app to collect location data.
380	verification	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the process of checking accuracy, identity, or truth	Image verification showed that the photograph came from an older event.
381	choreography	noun Study Field: Grade 6 science and mathematics word Word study: Root and suffix focus: -graphy relates to writing, recording, or describing.	the planned sequence of movements in a dance or performance	The choreography placed the dancers in a widening circle.
382	composition	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result.	the arrangement of visual, musical, or written elements into a whole	The photograph's composition draws attention to the child in the doorway.
383	foreground	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: foreground is the dictionary headword; compare its inflected or derived forms in context.	the part of an image or scene that appears closest to the viewer	A cluster of flowers fills the foreground of the painting.
384	harmony	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: harmony is the dictionary headword; compare its inflected or derived forms in context.	the pleasing combination of musical notes played or sung together	The choir added harmony beneath the main melody.
385	hue	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: hue is the dictionary headword; compare its inflected or derived forms in context.	a particular color or shade	The artist mixed blue and green to create a turquoise hue.
386	medium	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: medium is the dictionary headword; compare its inflected or derived forms in context.	a material or method used to create or communicate art	Clay was the sculptor's chosen medium.
387	perspective drawing	noun Study Field: Grade 6 science and mathematics word Word study: Term structure: perspective + drawing. Study the complete expression as one field-specific unit.	a drawing method that creates the appearance of depth and distance	The road narrows toward the horizon in the perspective drawing.
388	refrain	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: refrain is the dictionary headword; compare its inflected or derived forms in context.	a repeated line or section in a song or poem	Everyone joined in when the refrain returned.
389	texture	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: texture is the dictionary headword; compare its inflected or derived forms in context.	the way a surface feels or appears to feel	Thick brushstrokes give the painting a rough texture.
390	timbre	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: timbre is the dictionary headword; compare its inflected or derived forms in context.	the characteristic quality that distinguishes one musical sound or voice from another	The cello's dark timbre differs from the violin's brighter sound.
391	accountability	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action.	responsibility for actions and their results	Public reports create accountability for how the funds are spent.
392	advocacy	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: advocacy is the dictionary headword; compare its inflected or derived forms in context.	organized support for a cause, policy, or group	Her advocacy helped the town build safer sidewalks.
393	collaboration	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	the act of working with others toward a shared result	The mural required collaboration among artists, students, and residents.
394	compromise	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: compromise is the dictionary headword; compare its inflected or derived forms in context.	an agreement in which each side gives up part of what it wants	The final schedule was a compromise between the two proposals.
395	confidential	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: confidential is the dictionary headword; compare its inflected or derived forms in context.	intended to remain private or restricted	Medical records contain confidential information.
396	ethical	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: ethical is the dictionary headword; compare its inflected or derived forms in context.	consistent with accepted principles of right and wrong	Researchers must follow ethical rules when working with volunteers.
397	inclusion	noun Study Field: Grade 6 science and mathematics word Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result.	the practice of ensuring that people can participate and belong	The ramp improved inclusion by making the stage accessible.
398	initiative	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: initiative is the dictionary headword; compare its inflected or derived forms in context.	a new plan or the ability to begin useful action independently	The garden initiative turned an empty lot into a source of food.
399	mutual	adjective Study Field: Grade 6 science and mathematics word Word study: Base-form focus: mutual is the dictionary headword; compare its inflected or derived forms in context.	shared or experienced equally by two or more sides	The teams treated one another with mutual respect.
400	stewardship	noun Study Field: Grade 6 science and mathematics word Word study: Base-form focus: stewardship is the dictionary headword; compare its inflected or derived forms in context.	responsible care and management of something entrusted to a person or group	Forest stewardship balances human use with long-term protection.

Checking an Online Claim

Reading practice for pages 16–18. Five relevant words are highlighted.

English reading

Tariq enters a focused search query about a health claim. He checks source credibility and notices that the first result is sponsored content. Before sharing anything, he reads the site’s user agreement and seeks verification from a public health agency.

Reading comprehension

1. What does Tariq search for?

Tariq searches for evidence about a health claim.

2. Why does he inspect source credibility?

He wants to know whether the information is trustworthy.

3. Where does he seek verification?

He seeks verification from a public health agency.

Page 17: words 401–425

Vocabulary page 17
#	Word	Details	Meaning	Sample sentence
401	adversity	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	a difficult or harmful situation that tests a person or group	The neighbors supported one another through adversity.
402	aspiration	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a strong hope or ambition to achieve something	Her aspiration is to design affordable medical equipment.
403	autonomy	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: autonomy is the dictionary headword; compare its inflected or derived forms in context.	the freedom or ability to make one's own informed decisions	The project gave students autonomy to choose their research question.
404	discern	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: discern is the dictionary headword; compare its inflected or derived forms in context.	to recognize or understand something that is not immediately obvious	Careful readers discern the difference between evidence and opinion.
405	grievance	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ance commonly forms a noun naming an action, quality, or state.	a complaint about unfair treatment or a harmful condition	Workers submitted a grievance about the unsafe equipment.
406	impartial	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: impartial is the dictionary headword; compare its inflected or derived forms in context.	fair and not favoring one person or side	An impartial referee applies the same rules to both teams.
407	persistence	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.	continued effort despite difficulty, delay, or opposition	Solving the complex proof required persistence.
408	reciprocal	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: reciprocal is the dictionary headword; compare its inflected or derived forms in context.	given, felt, or done in return by each side	The neighboring schools formed a reciprocal agreement to share equipment.
409	obligation	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a duty that a person is required or expected to fulfill	Owning a pet creates an obligation to provide food and care.
410	solidarity	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	unity among people who support one another's interests or goals	The march expressed solidarity with families displaced by the flood.
411	descriptive	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	using details to show what someone or something is like	The descriptive paragraph helps readers imagine the crowded market.
412	expository	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: expository is the dictionary headword; compare its inflected or derived forms in context.	intended to explain or inform clearly	The expository article explains how coral reefs form.
413	informative	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	providing useful facts or knowledge	The museum guide was concise and informative.
414	persuasive	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	able or intended to convince someone	The advertisement is persuasive because it combines evidence with emotional appeal.
415	reflective	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	showing careful thought about experience or ideas	Her reflective journal considers what she learned from the failed trial.
416	rhetorical	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: rhetorical is the dictionary headword; compare its inflected or derived forms in context.	relating to language designed to influence or affect an audience	The speaker used a rhetorical question to focus attention.
417	sensory	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: sensory is the dictionary headword; compare its inflected or derived forms in context.	relating to sight, sound, smell, taste, or touch	Sensory details describe the bread's warm scent and crisp crust.
418	spatial	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: spatial is the dictionary headword; compare its inflected or derived forms in context.	relating to position, area, or the arrangement of things in space	A floor plan shows the spatial relationship among rooms.
419	technical	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: technical is the dictionary headword; compare its inflected or derived forms in context.	using specialized knowledge or terms from a particular field	The manual gives a technical explanation of the engine.
420	thematic	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: thematic is the dictionary headword; compare its inflected or derived forms in context.	relating to a central subject or recurring idea	The novel's thematic focus on belonging connects its different episodes.
421	acute	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: acute is the dictionary headword; compare its inflected or derived forms in context.	very serious, intense, or sharply developed	The village faced an acute shortage of medicine.
422	adhere	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: adhere is the dictionary headword; compare its inflected or derived forms in context.	to stick firmly or follow a rule or belief	The label will adhere better to a clean surface.
423	ample	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: ample is the dictionary headword; compare its inflected or derived forms in context.	more than enough for a particular need	The wide shelf provides ample space for the collection.
424	arid	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: arid is the dictionary headword; compare its inflected or derived forms in context.	extremely dry because of little rainfall	Only drought-resistant shrubs survived in the arid valley.
425	awe	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: awe is the dictionary headword; compare its inflected or derived forms in context.	a feeling of wonder mixed with respect or fear	The enormous glacier filled the visitors with awe.

Page 18: words 426–450

Vocabulary page 18
#	Word	Details	Meaning	Sample sentence
426	barren	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: barren is the dictionary headword; compare its inflected or derived forms in context.	unable to support much plant life or produce crops	After years without rain, the field became barren.
427	beneficial	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: beneficial is the dictionary headword; compare its inflected or derived forms in context.	producing a helpful or favorable result	Regular sleep is beneficial to memory and concentration.
428	boisterous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	noisy, energetic, and cheerful	The boisterous crowd celebrated the championship victory.
429	capacity	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition.	the greatest amount that something can contain or produce	The theater has a seating capacity of eight hundred.
430	commend	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: commend is the dictionary headword; compare its inflected or derived forms in context.	to praise someone formally or publicly	The principal will commend the students who organized the food drive.
431	compact	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: compact is the dictionary headword; compare its inflected or derived forms in context.	closely packed into a small space	The compact toolkit fits beneath the bicycle seat.
432	conspicuous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	easy to notice because it stands out	The bright orange tent was conspicuous against the snow.
433	contaminate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: contaminate is the dictionary headword; compare its inflected or derived forms in context.	to make something impure or unsafe by adding a harmful substance	A leaking tank could contaminate the groundwater.
434	continuous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	continuing without interruption	The machine produced a continuous hum all night.
435	controversy	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: controversy is the dictionary headword; compare its inflected or derived forms in context.	public disagreement about an important issue	The proposal created controversy among residents.
436	cordial	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: cordial is the dictionary headword; compare its inflected or derived forms in context.	warm, polite, and friendly	Despite their disagreement, the candidates remained cordial.
437	cumulative	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.	increasing as more amounts or effects are added over time	The cumulative rainfall for the month reached twenty centimeters.
438	deluge	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: deluge is the dictionary headword; compare its inflected or derived forms in context.	a sudden, very heavy fall of rain or overwhelming amount	The afternoon deluge flooded several streets.
439	deplete	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: deplete is the dictionary headword; compare its inflected or derived forms in context.	to reduce the amount of something greatly	Overfishing can deplete a population faster than it recovers.
440	deteriorate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: deteriorate is the dictionary headword; compare its inflected or derived forms in context.	to become worse in quality or condition	Without repairs, the wooden steps will deteriorate.
441	discretion	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	careful judgment about what to do or say	The guide used discretion and canceled the hike as clouds darkened.
442	dominate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: dominate is the dictionary headword; compare its inflected or derived forms in context.	to control or be the most noticeable part of something	A tall mountain will dominate the western skyline.
443	drastic	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: drastic is the dictionary headword; compare its inflected or derived forms in context.	severe and likely to have a strong effect	The drought required drastic limits on water use.
444	eligible	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	meeting the conditions required to take part or receive something	Students who complete the course are eligible for the certificate.
445	elude	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: elude is the dictionary headword; compare its inflected or derived forms in context.	to escape from or remain difficult to find or understand	The rare bird continued to elude the photographers.
446	evolve	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: evolve is the dictionary headword; compare its inflected or derived forms in context.	to develop gradually over time	Languages evolve as speakers create and borrow expressions.
447	exploit	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: exploit is the dictionary headword; compare its inflected or derived forms in context.	to use someone or something unfairly for personal gain	Dishonest employers may exploit workers who lack legal protection.
448	extinct	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: extinct is the dictionary headword; compare its inflected or derived forms in context.	having no living members remaining	The dodo has been extinct for centuries.
449	extract	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: extract is the dictionary headword; compare its inflected or derived forms in context.	to remove or obtain something from a larger whole	The machine can extract oil from crushed seeds.
450	futile	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: futile is the dictionary headword; compare its inflected or derived forms in context.	unable to produce the desired result	Pushing the locked steel door was futile.

Page 19: words 451–475

Vocabulary page 19
#	Word	Details	Meaning	Sample sentence
451	formulate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: formulate is the dictionary headword; compare its inflected or derived forms in context.	to develop or express an idea in a clear, organized way	The council will formulate a plan after reviewing the evidence.
452	hazardous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	involving a serious risk of harm	Workers wear protective clothing around hazardous chemicals.
453	hoax	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: hoax is the dictionary headword; compare its inflected or derived forms in context.	a deliberate trick intended to make people believe something false	The report of a sea monster proved to be a hoax.
454	inept	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: inept is the dictionary headword; compare its inflected or derived forms in context.	lacking skill or ability	The inept repair left the faucet leaking worse than before.
455	inevitable	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -able means capable of, suitable for, or worthy of an action.	certain to happen and impossible to avoid	Some erosion is inevitable when waves strike an unprotected shore.
456	ingenious	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	cleverly inventive and effective	Her ingenious trap caught rainwater without harming wildlife.
457	innovation	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	a new idea, method, or device	The lightweight battery was an important innovation.
458	intimidate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: intimidate is the dictionary headword; compare its inflected or derived forms in context.	to frighten someone in order to influence their actions	The bully tried to intimidate witnesses into silence.
459	jovial	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: jovial is the dictionary headword; compare its inflected or derived forms in context.	cheerful and friendly	The jovial host greeted every guest with a joke.
460	knack	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: knack is the dictionary headword; compare its inflected or derived forms in context.	a natural or learned skill for doing something well	Tariq has a knack for explaining difficult ideas simply.
461	leeway	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: leeway is the dictionary headword; compare its inflected or derived forms in context.	freedom to act within certain limits	The teacher gave each group leeway to choose its own topic.
462	liberate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: liberate is the dictionary headword; compare its inflected or derived forms in context.	to set someone or something free from control	The rescue team worked to liberate the animal from the net.
463	linger	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: linger is the dictionary headword; compare its inflected or derived forms in context.	to remain somewhere longer than expected	The scent of smoke may linger after the fire is out.
464	exact	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: exact is the dictionary headword; compare its inflected or derived forms in context.	fully correct, precise, or matching without approximation	The exact meaning of the term depends on its scientific context.
465	loathe	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: loathe is the dictionary headword; compare its inflected or derived forms in context.	to dislike someone or something intensely	I loathe wasting food that could have been shared.
466	makeshift	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: makeshift is the dictionary headword; compare its inflected or derived forms in context.	created as a temporary substitute from available materials	The hikers built a makeshift shelter from branches and a tarp.
467	manipulate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: manipulate is the dictionary headword; compare its inflected or derived forms in context.	to control something skillfully or influence someone unfairly	The operator can manipulate the robotic arm with a joystick.
468	meager	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: meager is the dictionary headword; compare its inflected or derived forms in context.	too small in amount or quality	The meager harvest could not feed the entire village.
469	monotonous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	lacking variety and becoming boring through repetition	The monotonous beep continued at the same pitch for hours.
470	omniscient	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: omniscient is the dictionary headword; compare its inflected or derived forms in context.	knowing everything, especially as a type of narrator	An omniscient narrator can reveal every character's thoughts.
471	onset	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: onset is the dictionary headword; compare its inflected or derived forms in context.	the beginning of something, especially something unpleasant or important	At the onset of winter, the lake begins to freeze.
472	optimist	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ist often names a person associated with a field, belief, or practice.	a person who expects favorable results	The optimist believed the damaged garden would bloom again.
473	painstaking	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: painstaking is the dictionary headword; compare its inflected or derived forms in context.	done with great care and attention to detail	Painstaking restoration revealed the painting's original colors.
474	persecute	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: persecute is the dictionary headword; compare its inflected or derived forms in context.	to treat people cruelly because of their identity or beliefs	The law must not permit officials to persecute religious minorities.
475	plummet	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: plummet is the dictionary headword; compare its inflected or derived forms in context.	to fall suddenly and steeply	Temperatures may plummet after the cold front passes.

A Hazardous Hoax

Reading practice for pages 19–20. Five relevant words are highlighted.

English reading

An online hoax claims that a hazardous storm will arrive overnight. Rather than accept its prediction as inevitable, Leila and Omar formulate questions for the weather service. The false post looks inept because it gives no date, author, or evidence.

Reading comprehension

1. What does the hoax predict?

The hoax predicts a hazardous storm.

2. Do the students think the storm is inevitable?

No, they check the claim first.

3. Why does the post look inept?

It lacks a date, author, and evidence.

Page 20: words 476–500

Vocabulary page 20
#	Word	Details	Meaning	Sample sentence
476	predicament	noun Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ment commonly forms a noun for an action, process, state, or result.	a difficult or unpleasant situation	The broken paddle left the canoeists in a serious predicament.
477	prejudice	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: prejudice is the dictionary headword; compare its inflected or derived forms in context.	an unfair opinion formed before knowing the facts	Education can challenge prejudice by replacing rumors with understanding.
478	prominent	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: prominent is the dictionary headword; compare its inflected or derived forms in context.	important, well known, or easy to notice	A prominent ridge rises above the valley.
479	prosecute	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: prosecute is the dictionary headword; compare its inflected or derived forms in context.	to bring a legal case against someone accused of a crime	The state may prosecute anyone who deliberately poisons the river.
480	refuge	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: refuge is the dictionary headword; compare its inflected or derived forms in context.	a safe place that provides protection from danger	The cave offered refuge from the sudden hailstorm.
481	hesitant	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: hesitant is the dictionary headword; compare its inflected or derived forms in context.	uncertain or slow to act because of doubt	Mira was hesitant to cross the swaying bridge.
482	remorse	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: remorse is the dictionary headword; compare its inflected or derived forms in context.	deep regret for having done something wrong	He felt remorse after admitting that he had damaged the sculpture.
483	resolute	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: resolute is the dictionary headword; compare its inflected or derived forms in context.	firmly determined and not easily discouraged	The resolute climbers continued despite the cold wind.
484	inhibit	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: inhibit is the dictionary headword; compare its inflected or derived forms in context.	to prevent, slow, or hold back an action or process	Cold temperatures can inhibit the growth of some bacteria.
485	retaliate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: retaliate is the dictionary headword; compare its inflected or derived forms in context.	to harm someone in return for a harm received	The coach warned players not to retaliate after a rough tackle.
486	retrieve	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: retrieve is the dictionary headword; compare its inflected or derived forms in context.	to find and bring back something	The dog can retrieve the ball from the shallow pond.
487	rigorous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	extremely careful, thorough, or demanding	The medicine passed a rigorous series of safety tests.
488	sanctuary	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: sanctuary is the dictionary headword; compare its inflected or derived forms in context.	a safe place where people or animals are protected	The wetland is a sanctuary for migrating birds.
489	stationary	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: stationary is the dictionary headword; compare its inflected or derived forms in context.	not moving or changing position	The bicycle remained stationary while its wheel spun.
490	stifle	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: stifle is the dictionary headword; compare its inflected or derived forms in context.	to prevent something from developing or being expressed	Fear of criticism can stifle creative ideas.
491	strive	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: strive is the dictionary headword; compare its inflected or derived forms in context.	to make a strong effort toward a goal	The athletes strive to improve their times each week.
492	subordinate	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: subordinate is the dictionary headword; compare its inflected or derived forms in context.	lower in rank or importance	The subordinate clause cannot stand alone as a complete sentence.
493	subsequent	adjective Study Field: Grade 6 precise high-utility word Word study: Base-form focus: subsequent is the dictionary headword; compare its inflected or derived forms in context.	coming after something else in time or order	Subsequent experiments confirmed the first result.
494	supplement	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: supplement is the dictionary headword; compare its inflected or derived forms in context.	to add something that makes another thing more complete	The teacher will supplement the article with a short video.
495	tangible	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.	able to be touched or clearly recognized as real	The repaired roof was tangible evidence of the volunteers' work.
496	terminate	verb Study Field: Grade 6 precise high-utility word Word study: Base-form focus: terminate is the dictionary headword; compare its inflected or derived forms in context.	to bring something to an end	The agreement allows either side to terminate the contract.
497	terrain	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: terrain is the dictionary headword; compare its inflected or derived forms in context.	land considered according to its physical features	The rocky terrain slowed the rescue vehicles.
498	treacherous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	dangerous because conditions are difficult to predict	Black ice made the mountain road treacherous.
499	unanimous	adjective Study Field: Grade 6 precise high-utility word Word study: Suffix focus: -ous commonly forms an adjective meaning full of or characterized by.	agreed upon by every person involved	The jury reached a unanimous decision.
500	verdict	noun Study Field: Grade 6 precise high-utility word Word study: Base-form focus: verdict is the dictionary headword; compare its inflected or derived forms in context.	a formal decision made by a jury or judge	After considering the evidence, the jury announced its verdict.

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.