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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Words 1–25 of 500
#	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.

Vocabulary reading and practice

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.

Vocabulary quiz

Complete 5 review questions for this page.

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

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Sources and curriculum references

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

6th Grade Vocabulary Words

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