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5th-grade-vocabulary-words

English Vocabulary · Grade 5 Live Review Preview

5th Grade Vocabulary Words

Fifth-grade readers use increasingly precise vocabulary to compare sources, explain evidence, interpret literature, and learn independently across science, mathematics, and social studies. The curriculum emphasizes context clues, meaningful word parts, parts of speech, and language that strengthens both discussion 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. References calibrated level and coverage only; all learner-facing definitions and sample sentences are original KSSR copy.

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Complete text list

All 500 words are included below as ordinary HTML. This view does not require JavaScript.

Page 1: words 1–25

Vocabulary page 1
#WordPattern / part of speechMeaningSample sentence
1accomplishverbGrade 5 academic wordto complete something successfullyCareful planning helped the volunteers accomplish their goal before sunset.
2achievementnounGrade 5 academic wordsomething important completed through effort or skillFinishing her first long novel was a proud achievement for Lena.
3adaptverbGrade 5 academic wordto change in order to suit new conditionsDesert plants adapt to dry conditions by storing water.
4adequateadjectiveGrade 5 academic wordenough for a particular need or purposeThe hikers carried an adequate supply of water for the afternoon.
5allocateverbGrade 5 academic wordto set aside something for a particular purposeThe council will allocate part of the budget to playground repairs.
6alternateverbGrade 5 academic wordto change repeatedly between two choices or statesWe alternate between reading silently and discussing the chapter.
7anticipateverbGrade 5 academic wordto expect something and prepare for itFarmers anticipate frost when the temperature drops sharply.
8appealnounGrade 5 academic worda quality that makes something interesting or attractiveThe mystery's unexpected ending added to its appeal.
9assignverbGrade 5 academic wordto give someone a particular job or responsibilityThe director will assign each actor a role in the play.
10categorynounGrade 5 academic worda group whose members share important featuresPlace each rock in a category based on how it formed.
11combineverbGrade 5 academic wordto join two or more things togetherWe combine flour and water to make the dough.
12complexadjectiveGrade 5 academic wordhaving many connected parts and not simpleThe complex machine uses dozens of gears to keep time.
13conceptnounGrade 5 academic worda general idea used to understand somethingThe model helped us understand the concept of gravity.
14consequencenounGrade 5 academic worda result that follows an action or eventOne consequence of the drought was a smaller wheat harvest.
15constructverbGrade 5 academic wordto build or put something togetherThe engineers will construct a footbridge across the creek.
16contrastverbGrade 5 academic wordto examine how two things differThe essay will contrast life in a village with life in a large city.
17deliberateadjectiveGrade 5 academic worddone intentionally and with careful thoughtHer deliberate choice of strong evidence improved the argument.
18dependableadjectiveGrade 5 academic wordable to be trusted to do what is expectedThe dependable bus arrives at the same time each morning.
19determineverbGrade 5 academic wordto find out or decide after careful thoughtThe test will determine whether the water is safe to drink.
20distinguishverbGrade 5 academic wordto recognize or explain the difference between thingsThe field guide helps readers distinguish hawks from falcons.
21diverseadjectiveGrade 5 academic wordincluding many different kinds of people or thingsA diverse forest contains plants of many sizes and species.
22efficientadjectiveGrade 5 academic wordworking well without wasting time or materialsThe efficient oven uses less electricity while cooking food evenly.
23elaborateadjectiveGrade 5 academic wordcontaining many carefully arranged detailsThe parade featured an elaborate float covered with paper flowers.
24encounterverbGrade 5 academic wordto meet or experience unexpectedlyHikers may encounter deer near the meadow at dawn.
25establishverbGrade 5 academic wordto create something intended to continueResidents hope to establish a weekly farmers' market.

Building a Rain Garden

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

English reading

The garden club studies the concept of collecting rainwater. Members construct a shallow basin beside the playground and plant grasses in it. If they accomplish their plan, less water will flood the path. That consequence will make their achievement useful to the whole school.

Reading comprehension

1. What concept does the club study?

The club studies collecting rainwater.

2. What do members construct?

They construct a shallow planted basin.

3. What consequence do they expect?

They expect less water to flood the path.

Cloze vocabulary quiz

1. The model helped us understand the ___ of gravity.

Answer: concept

2. Careful planning helped the volunteers ___ their goal before sunset.

Answer: accomplish

3. One ___ of the drought was a smaller wheat harvest.

Answer: consequence

4. Finishing her first long novel was a proud ___ for Lena.

Answer: achievement

5. The engineers will ___ a footbridge across the creek.

Answer: construct

Page 2: words 26–50

Vocabulary page 2
#WordPattern / part of speechMeaningSample sentence
26evaluateverbGrade 5 academic wordto judge quality or value using evidenceThe judges evaluate each design for strength and originality.
27expandverbGrade 5 academic wordto become or make larger in size, amount, or detailThe writer will expand the final paragraph with another example.
28expectationnounGrade 5 academic worda belief about what will probably happenOur expectation of clear skies changed when thunder began.
29factornounGrade 5 academic wordone of several things that helps cause a resultDaily sunlight is an important factor in plant growth.
30functionnounGrade 5 academic wordthe purpose or job of somethingThe roots' main function is to absorb water and anchor the plant.
31illustrateverbGrade 5 academic wordto explain or show by using examples or picturesThe diagram will illustrate how water moves through the cycle.
32inferverbGrade 5 academic wordto form a reasonable idea from evidenceFrom the wet paw prints, we infer that the dog entered through the kitchen.
33interpretverbGrade 5 academic wordto explain the meaning of information or an eventStudents interpret the graph by comparing the heights of its bars.
34majoritynounGrade 5 academic wordmore than half of a groupA majority of the class voted for the outdoor activity.
35motivateverbGrade 5 academic wordto give someone a reason or desire to actA clear goal can motivate a team to keep practicing.
36perspectivenounGrade 5 academic worda particular way of viewing a subject or situationThe diary presents the voyage from a young sailor's perspective.
37procedurenounGrade 5 academic worda set order of steps for doing somethingFollow the safety procedure before starting the experiment.
38reactionnounGrade 5 academic wordan action or feeling caused by somethingMaya's surprised reaction showed that she had not expected the gift.
39referverbGrade 5 academic wordto direct someone to a source for informationThe directions refer readers to the map on the next page.
40sequencenounGrade 5 academic worda set of events or items arranged in orderPut the pictures in sequence from seed to flowering plant.
41significantadjectiveGrade 5 academic wordimportant or large enough to be noticedThe discovery was significant because it changed what scientists understood.
42sufficientadjectiveGrade 5 academic wordenough to meet a need or purposeOne flashlight provided sufficient light for the small tent.
43supportiveadjectiveGrade 5 academic wordgiving help, approval, or encouragementHer supportive teammates cheered after every attempt.
44surroundingsnounGrade 5 academic wordthe people, places, and things around someoneThe owl's brown feathers blend with its woodland surroundings.
45tendencynounGrade 5 academic worda usual pattern of behavior or changeThe river has a tendency to rise after several days of rain.
46approximateadjectiveGrade 5 academic wordclose to the exact amount but not exactThe approximate distance to the lake is three kilometers.
47confidentadjectiveGrade 5 academic wordsure of your ability or judgmentAfter rehearsing, Amir felt confident about giving his speech.
48reliableadjectiveGrade 5 academic wordconsistently accurate or able to be trustedWe used a reliable weather source before planning the trip.
49requireverbGrade 5 academic wordto make something necessaryThe recipe will require two cups of chopped apples.
50strategynounGrade 5 academic worda carefully planned method for reaching a goalChecking headings first is a useful reading strategy.

Page 2 vocabulary review

Review five selected words from page 2.

Cloze vocabulary quiz

1. Maya's surprised ___ showed that she had not expected the gift.

Answer: reaction

2. The judges ___ each design for strength and originality.

Answer: evaluate

3. The directions ___ readers to the map on the next page.

Answer: refer

4. The writer will ___ the final paragraph with another example.

Answer: expand

5. Put the pictures in ___ from seed to flowering plant.

Answer: sequence

Page 3: words 51–75

Vocabulary page 3
#WordPattern / part of speechMeaningSample sentence
51abolishverbGrade 5 academic wordto officially end a law, rule, or systemThe town voted to abolish the outdated parking rule.
52absurdadjectiveGrade 5 academic wordclearly unreasonable or impossibleThe absurd rumor claimed that the tiny pond contained a whale.
53accessnounGrade 5 academic wordthe ability or right to enter, use, or obtain somethingA library card gives residents access to online books.
54aggressiveadjectiveGrade 5 academic wordready to attack or forcefully pursue a goalThe aggressive goose hissed and charged toward the fence.
55altitudenounGrade 5 academic wordheight above sea levelThe air becomes thinner as altitude increases.
56antagonistnounGrade 5 academic worda character or force that opposes the main characterIn the novel, the dishonest captain is the antagonist.
57antonymnounGrade 5 academic worda word with a meaning opposite to another wordThe word “scarce” is an antonym of “abundant.”
58anxiousadjectiveGrade 5 academic wordworried or uneasy about what may happenDev felt anxious while waiting for news about the missing dog.
59aromanounGrade 5 academic worda noticeable and usually pleasant smellThe warm bread filled the kitchen with a sweet aroma.
60astoundverbGrade 5 academic wordto surprise someone greatlyThe magician's final illusion will astound the audience.
61avalanchenounGrade 5 academic worda large mass of snow and ice rushing down a mountainThe avalanche blocked the road through the mountain pass.
62banquetnounGrade 5 academic worda large formal meal for many peopleThe community held a banquet to honor the rescue workers.
63beveragenounGrade 5 academic worda drink of any kindTea was the warm beverage served after the winter walk.
64blandadjectiveGrade 5 academic wordlacking a strong flavor or interesting qualityThe soup tasted bland until we added herbs.
65blizzardnounGrade 5 academic worda severe snowstorm with strong windsThe blizzard buried the road beneath deep snow.
66bungleverbGrade 5 academic wordto do something badly through carelessnessRushing may cause us to bungle the final measurements.
67cautiouslyadverbGrade 5 academic wordin a careful way that avoids danger or mistakesThe fox stepped cautiously onto the frozen pond.
68companionnounGrade 5 academic worda person or animal who spends time with anotherThe guide's faithful dog was his companion on every hike.
69compassionnounGrade 5 academic wordconcern for someone who is suffering, with a desire to helpNeighbors showed compassion by bringing meals to the injured family.
70compensateverbGrade 5 academic wordto make up for a loss, difficulty, or unfair situationThe store will compensate customers for the damaged goods.
71complyverbGrade 5 academic wordto act according to a request, rule, or orderCyclists must comply with the trail's safety signs.
72composeverbGrade 5 academic wordto create a piece of writing, art, or musicJada will compose a short melody for the school play.
73convertverbGrade 5 academic wordto change something into a different form or purposeSolar panels convert sunlight into electrical energy.
74courteousadjectiveGrade 5 academic wordpolite and respectful toward othersThe courteous visitor waited until the speaker finished.
75debatenounGrade 5 academic worda formal discussion in which opposing views are presentedThe class held a debate about protecting the empty lot.

Page 3 vocabulary review

Review five selected words from page 3.

Cloze vocabulary quiz

1. The town voted to ___ the outdated parking rule.

Answer: abolish

2. The soup tasted ___ until we added herbs.

Answer: bland

3. The ___ rumor claimed that the tiny pond contained a whale.

Answer: absurd

4. The ___ buried the road beneath deep snow.

Answer: blizzard

5. A library card gives residents ___ to online books.

Answer: access

Page 4: words 76–100

Vocabulary page 4
#WordPattern / part of speechMeaningSample sentence
76declineverbGrade 5 academic wordto become smaller, weaker, or fewerThe frog population may decline if the pond dries up.
77dedicateverbGrade 5 academic wordto give time or effort to a purposeThe volunteers dedicate each Saturday to restoring the trail.
78depriveverbGrade 5 academic wordto prevent someone from having something neededClouds can deprive young plants of necessary sunlight.
79detectverbGrade 5 academic wordto discover or notice something difficult to seeThe alarm can detect smoke before flames appear.
80dictateverbGrade 5 academic wordto say words aloud for someone else to writeThe reporter will dictate notes to an assistant by phone.
81documentverbGrade 5 academic wordto record information as evidence or for future useScientists document each bird sighting in a field journal.
82duplicateverbGrade 5 academic wordto make an exact copy of somethingThe printer can duplicate the photograph in seconds.
83edibleadjectiveGrade 5 academic wordsafe and suitable to eatOnly some of the berries in this forest are edible.
84escalateverbGrade 5 academic wordto become or make more serious or intenseA small disagreement can escalate when no one listens.
85evadeverbGrade 5 academic wordto avoid or escape from someone or somethingThe quick rabbit tried to evade the circling hawk.
86exasperateverbGrade 5 academic wordto make someone extremely annoyedRepeated interruptions can exasperate a patient speaker.
87excavateverbGrade 5 academic wordto dig carefully in order to uncover somethingArchaeologists excavate the site with small tools and brushes.
88exertverbGrade 5 academic wordto use strength, effort, or influenceClimbers must exert extra force on the steep slope.
89exhibitverbGrade 5 academic wordto show a quality, feeling, or object clearlyThe museum will exhibit tools from the early settlement.
90exultverbGrade 5 academic wordto show great happiness because of a successFans began to exult when the final goal secured the victory.
91feebleadjectiveGrade 5 academic wordvery weak or lacking strengthA feeble beam of light shone through the dusty window.
92frigidadjectiveGrade 5 academic wordextremely coldFrigid air froze the puddles overnight.
93giganticadjectiveGrade 5 academic wordextremely largeA gigantic whale surfaced beside the research boat.
94gorgenounGrade 5 academic worda deep, narrow valley with steep sidesThe river flows through a rocky gorge.
95guardiannounGrade 5 academic worda person legally or personally responsible for protecting someoneHer guardian signed the permission form for the trip.
96hazyadjectiveGrade 5 academic wordslightly unclear because of mist, smoke, or uncertaintyThe distant hills looked hazy through the morning fog.
97heartyadjectiveGrade 5 academic wordlarge, nourishing, and satisfyingThe hikers ate a hearty stew after the long climb.
98homonymnounGrade 5 academic worda word that shares its spelling or sound with another word but has a different meaning“Bat” is a homonym because it can name an animal or a piece of sports equipment.
99identicaladjectiveGrade 5 academic wordexactly the same in every detailThe two keys looked identical, but only one opened the door.
100illuminateverbGrade 5 academic wordto light something up or make an idea clearerA lantern will illuminate the dark path.

The Museum Exhibit

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

English reading

Volunteers dedicate a new exhibit to the town’s musicians. Ticket sales decline during a snowy week, but the curator refuses to deprive families of a final viewing day. The volunteers exult when the museum fills on Saturday.

Reading comprehension

1. To whom is the exhibit dedicated?

The exhibit is dedicated to the town's musicians.

2. Why do ticket sales decline?

Snowy weather causes ticket sales to decline.

3. When do volunteers exult?

They exult when the museum fills.

Cloze vocabulary quiz

1. The frog population may ___ if the pond dries up.

Answer: decline

2. The museum will ___ tools from the early settlement.

Answer: exhibit

3. The volunteers ___ each Saturday to restoring the trail.

Answer: dedicate

4. Fans began to ___ when the final goal secured the victory.

Answer: exult

5. Clouds can ___ young plants of necessary sunlight.

Answer: deprive

Page 5: words 101–125

Vocabulary page 5
#WordPattern / part of speechMeaningSample sentence
101independentadjectiveGrade 5 language and literature wordable to work or act without being controlled by othersThe independent researcher planned and completed her own investigation.
102industriousadjectiveGrade 5 language and literature wordhardworking and steadily busyThe industrious ants carried food back to their nest.
103intenseadjectiveGrade 5 language and literature wordvery strong or extremeThe intense heat forced the runners to shorten their practice.
104interceptverbGrade 5 language and literature wordto stop or catch something before it reaches its destinationThe defender managed to intercept the pass.
105jubilationnounGrade 5 language and literature worda feeling or display of great joyJubilation filled the stadium after the unexpected victory.
106kinnounGrade 5 language and literature wordpeople related to one another by familyThe young wolf remained close to its kin.
107luxuriousadjectiveGrade 5 language and literature wordvery comfortable, expensive, or pleasantThe hotel offered a luxurious room overlooking the harbor.
108majoradjectiveGrade 5 language and literature wordimportant, serious, or large in degreeRepairing the bridge was a major project for the town.
109miniatureadjectiveGrade 5 language and literature wordmuch smaller than the usual sizeThe exhibit included a miniature model of the castle.
110minoradjectiveGrade 5 language and literature wordless important or seriousA minor scratch did not affect how the machine worked.
111mischiefnounGrade 5 language and literature wordplayful behavior that causes annoyance or small troubleThe puppy's mischief left muddy paw prints across the floor.
112monarchnounGrade 5 language and literature worda king or queen who rules a countryThe monarch addressed the nation from the palace.
113moralnounGrade 5 language and literature worda lesson about right and wrong taught by a story or eventThe fable's moral warns readers not to be greedy.
114mythnounGrade 5 language and literature worda traditional story that explains beliefs, events, or natural featuresThe ancient myth tells how the stars reached the sky.
115narratornounGrade 5 language and literature wordthe voice or character who tells a storyThe narrator knows what every character is thinking.
116navigateverbGrade 5 language and literature wordto plan and follow a route from one place to anotherSailors use charts and stars to navigate across the ocean.
117negativeadjectiveGrade 5 language and literature wordexpressing refusal, disagreement, or an undesirable qualityThe critic gave a negative review of the confusing performance.
118nonchalantadjectiveGrade 5 language and literature wordappearing calm and unconcernedRavi sounded nonchalant even though the contest result mattered to him.
119obsoleteadjectiveGrade 5 language and literature wordno longer used because something newer has replaced itThe old machine became obsolete after digital equipment arrived.
120occasionnounGrade 5 language and literature worda particular event or timeThe family saved the decorated dishes for a special occasion.
121overthrowverbGrade 5 language and literature wordto remove a ruler or government from powerThe rebels hoped to overthrow the cruel ruler.
122pardonverbGrade 5 language and literature wordto forgive someone officially for an offenseThe governor may pardon a prisoner after reviewing the case.
123pasturenounGrade 5 language and literature wordland covered with grass where animals feedThe horses grazed peacefully in the pasture.
124pedestriannounGrade 5 language and literature worda person traveling on footThe driver stopped to let a pedestrian cross the street.
125perishverbGrade 5 language and literature wordto die or be completely destroyedYoung seedlings may perish without water.

Page 5 vocabulary review

Review five selected words from page 5.

Cloze vocabulary quiz

1. The ancient ___ tells how the stars reached the sky.

Answer: myth

2. The ___ ants carried food back to their nest.

Answer: industrious

3. The ___ knows what every character is thinking.

Answer: narrator

4. The ___ heat forced the runners to shorten their practice.

Answer: intense

5. Sailors use charts and stars to ___ across the ocean.

Answer: navigate

Page 6: words 126–150

Vocabulary page 6
#WordPattern / part of speechMeaningSample sentence
126petrifyverbGrade 5 language and literature wordto make someone so frightened that they cannot moveThe sudden growl seemed to petrify the campers.
127portableadjectiveGrade 5 language and literature wordeasy to carry or moveWe used a portable stove to cook at the campsite.
128prefixnounGrade 5 language and literature worda word part added to the beginning of a base wordThe prefix “un-” changes “certain” to “uncertain.”
129preserveverbGrade 5 language and literature wordto protect something from harm, decay, or changeThe archive works to preserve letters from the town's founders.
130protagonistnounGrade 5 language and literature wordthe main character in a storyThe protagonist must choose between safety and helping a friend.
131provideverbGrade 5 language and literature wordto supply something that is neededTall trees provide shade beside the playground.
132purchaseverbGrade 5 language and literature wordto buy somethingThe club will purchase new art supplies with the fundraiser money.
133realisticadjectiveGrade 5 language and literature wordshowing things in a believable or accurate wayThe artist painted a realistic portrait of the old fisherman.
134reassureverbGrade 5 language and literature wordto help someone feel less worriedThe guide tried to reassure us that the trail was safe.
135reignnounGrade 5 language and literature wordthe period when a monarch rulesThe palace was expanded during the queen's reign.
136resembleverbGrade 5 language and literature wordto look or seem like someone or something elseThe cloud seemed to resemble a sailing ship.
137retainverbGrade 5 language and literature wordto keep or continue to have somethingDark soil can retain water longer than sand.
138retireverbGrade 5 language and literature wordto stop working permanently, usually because of ageThe librarian plans to retire after forty years of service.
139revertverbGrade 5 language and literature wordto return to an earlier condition or habitWithout maintenance, the garden may revert to an overgrown field.
140routenounGrade 5 language and literature worda planned path from one place to anotherThe map shows the safest route across the mountains.
141saunterverbGrade 5 language and literature wordto walk in a slow and relaxed wayWe watched the peacock saunter across the courtyard.
142seldomadverbGrade 5 language and literature wordnot oftenSnow seldom falls in this warm coastal town.
143senselessadjectiveGrade 5 language and literature wordhaving no reasonable purpose or meaningDamaging the new playground would be a senseless act.
144seververbGrade 5 language and literature wordto cut or break something apart completelyThe storm may sever weak branches from the tree.
145slitherverbGrade 5 language and literature wordto move smoothly with a twisting motionA green snake began to slither through the grass.
146sluggishadjectiveGrade 5 language and literature wordmoving or responding more slowly than usualThe lizard seemed sluggish in the cool morning air.
147soarverbGrade 5 language and literature wordto fly or rise high in the airThe eagle began to soar above the canyon.
148solitaryadjectiveGrade 5 language and literature wordalone or without companionsA solitary lighthouse stood on the rocky island.
149solonounGrade 5 language and literature worda performance by one personMina practiced her violin solo for the concert.
150sparseadjectiveGrade 5 language and literature wordthinly scattered or not plentifulOnly sparse grass grew on the dry hillside.

Page 6 vocabulary review

Review five selected words from page 6.

Cloze vocabulary quiz

1. Without maintenance, the garden may ___ to an overgrown field.

Answer: revert

2. We used a ___ stove to cook at the campsite.

Answer: portable

3. The map shows the safest ___ across the mountains.

Answer: route

4. The ___ “un-” changes “certain” to “uncertain.”

Answer: prefix

5. We watched the peacock ___ across the courtyard.

Answer: saunter

Page 7: words 151–175

Vocabulary page 7
#WordPattern / part of speechMeaningSample sentence
151spurtverbGrade 5 language and literature wordto rush out suddenly in a short burstWater began to spurt from the cracked pipe.
152suffixnounGrade 5 language and literature worda word part added to the end of a base wordThe suffix “-less” changes “hope” into “hopeless.”
153suffocateverbGrade 5 language and literature wordto be unable to breathe because air is blockedSmoke can suffocate people inside a closed room.
154summitnounGrade 5 language and literature wordthe highest point of a hill or mountainThe climbers reached the summit before noon.
155suspendverbGrade 5 language and literature wordto hang something so it does not touch the groundWorkers suspend the bridge deck from thick steel cables.
156synonymnounGrade 5 language and literature worda word with the same or a similar meaning as another word“Rapid” is a synonym for “quick.”
157talonnounGrade 5 language and literature worda sharp claw on a bird of preyThe hawk gripped the branch with each curved talon.
158tauntverbGrade 5 language and literature wordto insult or challenge someone with cruel remarksIt is unkind to taunt a player who misses a shot.
159thriftyadjectiveGrade 5 language and literature wordcareful about spending money or using suppliesThe thrifty cook turned leftover vegetables into soup.
160translateverbGrade 5 language and literature wordto express words in a different languageStudents will translate the short message from French into English.
161tropicaladjectiveGrade 5 language and literature wordrelating to the hot regions near the equatorColorful parrots live in the tropical forest.
162visibleadjectiveGrade 5 language and literature wordable to be seenThe lighthouse became visible when the fog lifted.
163visualadjectiveGrade 5 language and literature wordrelating to sight or picturesA visual chart made the instructions easier to follow.
164vividadjectiveGrade 5 language and literature wordproducing strong, clear images or impressionsThe author used vivid details to describe the storm.
165wildernessnounGrade 5 language and literature worda natural area where few people liveThe protected wilderness contains forests, rivers, and mountains.
166withdrawverbGrade 5 language and literature wordto move back, remove something, or stop taking partThe injured runner had to withdraw from the race.
167crucialadjectiveGrade 5 language and literature wordextremely important to a resultClean water is crucial to every community's health.
168emergeverbGrade 5 language and literature wordto come into view or become knownA butterfly will emerge from the chrysalis.
169overcomeverbGrade 5 language and literature wordto succeed in dealing with a problem or difficultyWith practice, Jayla began to overcome her fear of speaking.
170perplexverbGrade 5 language and literature wordto make someone feel confusedThe puzzle's missing clue continued to perplex the detectives.
171beckonverbGrade 5 language and literature wordto signal for someone to come closer or followThe guide raised one hand to beckon us toward the entrance.
172bestowverbGrade 5 language and literature wordto give an honor, title, or gift formallyThe mayor will bestow a medal on the brave rescuer.
173intentlyadverbGrade 5 language and literature wordwith complete attentionThe fox watched intently as the mouse crossed the field.
174solemnadjectiveGrade 5 language and literature wordserious and formalThe crowd remained solemn during the memorial ceremony.
175culturenounGrade 5 language and literature wordthe beliefs, customs, arts, and ways of life shared by a groupMusic and food are important parts of a community's culture.

A Summit in the Wilderness

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

English reading

On a wilderness hike, Priya notices that the word fearless has a suffix. At the summit, smoke drifts from a distant fire. Because smoke can suffocate people, the guide decides to withdraw the group to a lower, clearer trail.

Reading comprehension

1. What word part does Priya notice?

Priya notices a suffix.

2. What appears near the summit?

Smoke from a distant fire appears.

3. Why does the guide withdraw the group?

The guide withdraws them because smoke can suffocate people.

Cloze vocabulary quiz

1. The ___ “-less” changes “hope” into “hopeless.”

Answer: suffix

2. The protected ___ contains forests, rivers, and mountains.

Answer: wilderness

3. Smoke can ___ people inside a closed room.

Answer: suffocate

4. The injured runner had to ___ from the race.

Answer: withdraw

5. The climbers reached the ___ before noon.

Answer: summit

Page 8: words 176–200

Vocabulary page 8
#WordPattern / part of speechMeaningSample sentence
176infuriateverbGrade 5 language and literature wordto make someone extremely angryCheating in the final match would infuriate the other players.
177populationnounGrade 5 language and literature wordall the people or organisms living in a particular areaThe island's seabird population increased after nesting areas were protected.
178resourcenounGrade 5 language and literature worda useful supply, source of help, or piece of informationThe encyclopedia is a valuable resource for the research project.
179thriveverbGrade 5 language and literature wordto grow, develop, or succeed stronglyTomato plants thrive in warm sunlight.
180assureverbGrade 5 language and literature wordto tell someone confidently that something is trueThe coach tried to assure the team that their preparation was strong.
181comprehendverbGrade 5 language and literature wordto understand something fullyThe timeline helped us comprehend the order of historical events.
182exaggerateverbGrade 5 language and literature wordto describe something as larger or more extreme than it isDo not exaggerate the size of the fish you caught.
183ignorantadjectiveGrade 5 language and literature wordlacking knowledge about a particular subjectWe were ignorant of the trail closure until we saw the sign.
184trialnounGrade 5 language and literature worda difficult experience that tests strength or patienceSurviving three nights in the storm was a severe trial.
185summonverbGrade 5 language and literature wordto call for someone to comeThe captain will summon the crew when the ship is ready.
186tolerateverbGrade 5 language and literature wordto accept or endure something unpleasantThese plants can tolerate a few nights of cold weather.
187vagueadjectiveGrade 5 language and literature wordnot clearly expressed or understoodThe vague directions did not explain which road to take.
188blurtverbGrade 5 language and literature wordto say something suddenly without thinkingNina tried not to blurt the surprise before the party.
189criticizeverbGrade 5 language and literature wordto point out faults or express disapprovalA helpful reviewer can criticize the argument without insulting the writer.
190flimsyadjectiveGrade 5 language and literature wordweak, thin, or poorly madeThe flimsy box collapsed under the heavy books.
191favorableadjectiveGrade 5 language and literature wordhelpful, approving, or likely to bring successFavorable winds carried the sailboat toward the harbor.
192mimicverbGrade 5 language and literature wordto copy someone's actions, voice, or appearanceThe parrot can mimic the sound of a ringing phone.
193ridiculeverbGrade 5 language and literature wordto make someone seem foolish through cruel jokesNo student should ridicule another person's accent.
194traitnounGrade 5 language and literature worda particular quality of a person or living thingPatience is a useful trait for a careful scientist.
195utterverbGrade 5 language and literature wordto speak or make a soundThe startled child could barely utter a word.
196adjustverbGrade 5 language and literature wordto change something slightly so that it works or fits betterPlease adjust the microscope until the image is clear.
197approveverbGrade 5 language and literature wordto officially accept or agree to somethingThe committee must approve the plan before construction begins.
198conductverbGrade 5 language and literature wordto organize and carry out an activityResearchers will conduct a survey about recycling habits.
199conflictnounGrade 5 language and literature worda serious disagreement or struggleThe characters resolve their conflict by speaking honestly.
200equivalentadjectiveGrade 5 language and literature wordequal in value, meaning, or amountTwo quarters are equivalent to one half.

Page 8 vocabulary review

Review five selected words from page 8.

Cloze vocabulary quiz

1. The island's seabird ___ increased after nesting areas were protected.

Answer: population

2. The ___ box collapsed under the heavy books.

Answer: flimsy

3. The encyclopedia is a valuable ___ for the research project.

Answer: resource

4. ___ winds carried the sailboat toward the harbor.

Answer: favorable

5. Tomato plants ___ in warm sunlight.

Answer: thrive

Page 9: words 201–225

Vocabulary page 9
#WordPattern / part of speechMeaningSample sentence
201likelyadjectiveGrade 5 language and literature wordexpected or probableDark clouds make rain likely this afternoon.
202vitaladjectiveGrade 5 language and literature wordnecessary for life or extremely importantOxygen is vital for human survival.
203claimnounGrade 5 language and literature worda statement that someone says is trueThe writer supports each claim with facts from reliable sources.
204contextnounGrade 5 language and literature wordthe words or situation surrounding something that clarify its meaningThe context shows that “bank” refers to the side of a river.
205debrisnounGrade 5 language and literature wordscattered pieces left after something is damaged or destroyedWorkers cleared storm debris from the road.
206eerieadjectiveGrade 5 language and literature wordstrange and frighteningAn eerie howl echoed through the empty valley.
207graphicadjectiveGrade 5 language and literature wordshown or explained clearly through pictures or strong detailThe graphic novel combines dialogue with illustrated panels.
208investigateverbGrade 5 language and literature wordto examine carefully in order to discover factsDetectives investigate the footprints beside the broken window.
209irregularadjectiveGrade 5 language and literature wordnot following the usual shape, pattern, or ruleThe stone has an irregular shape with five uneven sides.
210rustleverbGrade 5 language and literature wordto make a soft sound as dry leaves or paper moveA rabbit made the grass rustle beside the path.
211scrawnyadjectiveGrade 5 language and literature wordunusually thin and weak-lookingThe scrawny kitten grew stronger after several weeks of care.
212wagenounGrade 5 language and literature wordmoney paid to a worker for work doneThe farm pays each worker an hourly wage.
213affectverbGrade 5 language and literature wordto cause a change in someone or somethingA long drought can affect the price of vegetables.
214despairnounGrade 5 language and literature worda complete loss of hopeThe stranded sailors felt despair when the radio stopped working.
215externaladjectiveGrade 5 language and literature wordlocated on or coming from the outsideThe turtle's external shell protects its body.
216gleamverbGrade 5 language and literature wordto shine with a small, clear lightWet stones gleam in the morning sun.
217internaladjectiveGrade 5 language and literature wordlocated or happening inside somethingThe mechanic inspected the engine's internal parts.
218perilnounGrade 5 language and literature wordserious and immediate dangerThe climbers faced peril when the ice began to crack.
219restrictverbGrade 5 language and literature wordto limit an action, amount, or movementPark rules restrict campfires during dry weather.
220secureverbGrade 5 language and literature wordto fasten or protect something so it is safeUse strong rope to secure the canoe to the dock.
221summarynounGrade 5 language and literature worda short statement of the main ideasHer summary included the article's central point and key evidence.
222coaxverbGrade 5 language and literature wordto gently persuade someone to do somethingWe used a treat to coax the frightened dog out from under the porch.
223enhanceverbGrade 5 language and literature wordto improve the quality, value, or appearance of somethingA labeled map can enhance the report.
224familiaradjectiveGrade 5 language and literature wordrecognized because it has been seen, heard, or experienced beforeThe familiar song reminded him of summer camp.
225ferociousadjectiveGrade 5 language and literature wordfierce, violent, or extremely intenseFerocious winds tore branches from the trees.

Page 9 vocabulary review

Review five selected words from page 9.

Cloze vocabulary quiz

1. The turtle's ___ shell protects its body.

Answer: external

2. The writer supports each ___ with facts from reliable sources.

Answer: claim

3. Wet stones ___ in the morning sun.

Answer: gleam

4. The ___ shows that “bank” refers to the side of a river.

Answer: context

5. The mechanic inspected the engine's ___ parts.

Answer: internal

Page 10: words 226–250

Vocabulary page 10
#WordPattern / part of speechMeaningSample sentence
226murkyadjectiveGrade 5 language and literature worddark, cloudy, or difficult to understandThe pond water became murky after the storm.
227restrainverbGrade 5 language and literature wordto hold back or keep under controlA leash helps restrain a dog near a busy road.
228sorrowfuladjectiveGrade 5 language and literature wordfeeling or showing deep sadnessThe sorrowful ending left many readers in tears.
229sympathynounGrade 5 language and literature wordunderstanding and concern for someone else's sufferingWe expressed sympathy to the family after their loss.
230grimadjectiveGrade 5 language and literature wordserious, unpleasant, or without hopeThe rescue team faced grim conditions in the flooded valley.
231eruptverbGrade 5 language and literature wordto burst out suddenly or violentlyA volcano may erupt after pressure builds below the surface.
232insistverbGrade 5 language and literature wordto say firmly that something must be true or happenThe guide will insist that everyone wear a helmet.
233sneerverbGrade 5 language and literature wordto smile or speak in a scornful wayThe villain began to sneer at the hero's simple plan.
234tuftnounGrade 5 language and literature worda small bunch of hair, grass, feathers, or threadsA white tuft of fur clung to the fence.
235unravelverbGrade 5 language and literature wordto separate tangled threads or solve something confusingThe detective used the diary to unravel the mystery.
236enviousadjectiveGrade 5 language and literature wordwanting something that belongs to someone elseLeo felt envious of his friend's new bicycle.
237influencenounGrade 5 language and literature wordthe power to affect choices, actions, or eventsThe coach's encouragement had a positive influence on the team.
238prohibitverbGrade 5 language and literature wordto officially forbid somethingThe signs prohibit swimming near the waterfall.
239pryverbGrade 5 language and literature wordto pull something open or ask rudely about private mattersWe used a flat tool to pry the lid from the paint can.
240regretverbGrade 5 language and literature wordto feel sorry about a past action or choiceI regret leaving the seedlings outside during the frost.
241wringverbGrade 5 social-emotional wordto twist and squeeze something to remove liquidWring the wet cloth over the sink before hanging it.
242confideverbGrade 5 social-emotional wordto share private thoughts with someone trustedMara chose to confide her worry to a close friend.
243dreadverbGrade 5 social-emotional wordto feel great fear or worry about something expectedSome passengers dread flying during storms.
244glimpsenounGrade 5 social-emotional worda quick or incomplete lookWe caught a glimpse of the fox before it vanished.
245glistenverbGrade 5 social-emotional wordto shine as if wet or polishedDrops of rain glisten on the spiderweb.
246isolateverbGrade 5 social-emotional wordto separate someone or something from othersScientists isolate the sick plant to protect the healthy ones.
247optionnounGrade 5 social-emotional wordone choice among two or more possibilitiesTaking the bus is an option when the road is icy.
248smirkverbGrade 5 social-emotional wordto smile in a proud or unkind wayThe bully began to smirk after hiding the missing notebook.
249affectionnounGrade 5 social-emotional worda warm feeling of love or fondnessThe dog showed affection by resting its head on Mina's knee.
250empathynounGrade 5 social-emotional wordthe ability to understand another person's feelingsReading the refugee's diary helped students develop empathy.

An Honest Apology

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

English reading

After spilling paint on a friend’s poster, Luis feels deep regret. He begins to wring the stained paper, but that only tears it. Looking sorrowful, he chooses to confide in his teacher. She shows sympathy and helps both students make a repair.

Reading comprehension

1. Why does Luis feel regret?

Luis spilled paint on a friend's poster.

2. Why should he not wring the paper?

Wringing the paper tears it.

3. In whom does Luis confide?

Luis confides in his teacher.

Cloze vocabulary quiz

1. I ___ leaving the seedlings outside during the frost.

Answer: regret

2. The ___ ending left many readers in tears.

Answer: sorrowful

3. ___ the wet cloth over the sink before hanging it.

Answer: wring

4. We expressed ___ to the family after their loss.

Answer: sympathy

5. Mara chose to ___ her worry to a close friend.

Answer: confide

Page 11: words 251–275

Vocabulary page 11
#WordPattern / part of speechMeaningSample sentence
251integritynounGrade 5 social-emotional wordthe quality of being honest and following strong moral principlesReturning the extra change showed Carlos's integrity.
252patiencenounGrade 5 social-emotional wordthe ability to wait or continue calmlyGrowing a garden requires patience because seeds develop slowly.
253responsibilitynounGrade 5 social-emotional worda duty or task that someone is expected to handleFeeding the class fish is Hana's responsibility this week.
254cooperationnounGrade 5 social-emotional wordthe act of working together toward a shared goalThe heavy table was moved safely through cooperation.
255determinationnounGrade 5 social-emotional worda firm decision to continue despite difficultyHer determination helped her finish the steep climb.
256curiositynounGrade 5 social-emotional worda strong desire to know or learn somethingCuriosity led the children to examine the unusual shell.
257fairnessnounGrade 5 social-emotional wordthe quality of treating people equally and reasonablyThe referee's fairness earned respect from both teams.
258loyaltynounGrade 5 social-emotional wordsteady support for a person, group, or purposeThe guide praised the dog's loyalty to its owner.
259gratitudenounGrade 5 social-emotional worda feeling of thankfulnessWe wrote notes of gratitude to the volunteers.
260tolerancenounGrade 5 social-emotional wordwillingness to accept differences or endure difficultyA respectful community practices tolerance toward different traditions.
261perseverancenounGrade 5 social-emotional wordcontinued effort despite difficulty or delaySolving the complicated puzzle required perseverance.
262frustrationnounGrade 5 social-emotional wordannoyance caused by being unable to succeed or change somethingRepeated computer errors caused understandable frustration.
263disappointmentnounGrade 5 social-emotional wordsadness when hopes or expectations are not metThe canceled trip brought disappointment to the campers.
264enthusiasmnounGrade 5 social-emotional wordstrong excitement and interestHer enthusiasm for astronomy inspired the whole club.
265embarrassmentnounGrade 5 social-emotional worda feeling of shame or awkwardnessHe laughed at his embarrassment after realizing his shirt was backward.
266hesitationnounGrade 5 social-emotional worda pause caused by uncertaintyAfter a moment of hesitation, Priya stepped onto the stage.
267jealousynounGrade 5 social-emotional wordresentment caused by fearing that someone has an advantage or affectionJealousy made the character ignore her friend's success.
268lonelinessnounGrade 5 social-emotional wordsadness from feeling alone or disconnectedJoining the club helped ease his loneliness.
269reliefnounGrade 5 social-emotional wordthe feeling that follows the end of worry or painWe felt relief when the lost hikers returned safely.
270resentmentnounGrade 5 social-emotional wordlasting anger about unfair treatmentUnequal chores created resentment between the roommates.
271satisfactionnounGrade 5 social-emotional worda pleased feeling that comes from achieving or receiving somethingCompleting the mural gave the artists great satisfaction.
272considerateadjectiveGrade 5 social-emotional wordcareful not to inconvenience or hurt othersIt was considerate of Mae to lower her voice near the sleeping baby.
273courageousadjectiveGrade 5 social-emotional wordwilling to face danger or difficultyThe courageous witness told the truth despite feeling afraid.
274deceitfuladjectiveGrade 5 social-emotional worddishonest and intended to misleadThe deceitful merchant hid the crack beneath a label.
275determinedadjectiveGrade 5 social-emotional wordfirmly decided and unwilling to give upThe determined runner continued through the heavy rain.

Page 11 vocabulary review

Review five selected words from page 11.

Cloze vocabulary quiz

1. Feeding the class fish is Hana's ___ this week.

Answer: responsibility

2. After a moment of ___, Priya stepped onto the stage.

Answer: hesitation

3. The heavy table was moved safely through ___.

Answer: cooperation

4. ___ made the character ignore her friend's success.

Answer: jealousy

5. Her ___ helped her finish the steep climb.

Answer: determination

Page 12: words 276–300

Vocabulary page 12
#WordPattern / part of speechMeaningSample sentence
276dishonestadjectiveGrade 5 social-emotional wordnot truthful or fairThe dishonest player secretly changed the score.
277enthusiasticadjectiveGrade 5 social-emotional wordshowing strong excitement and interestThe enthusiastic volunteers arrived early with extra supplies.
278impatientadjectiveGrade 5 social-emotional wordunable to wait calmlyThe impatient customer kept checking the clock.
279respectfuladjectiveGrade 5 social-emotional wordshowing care and consideration for othersA respectful listener does not interrupt.
280selfishadjectiveGrade 5 social-emotional wordcaring mainly about your own needs or advantageThe selfish character kept all the food for himself.
281thoughtfuladjectiveGrade 5 social-emotional wordshowing careful attention to other people or ideasHer thoughtful question helped the speaker explain the issue.
282cautiousadjectiveGrade 5 social-emotional wordcareful to avoid danger or mistakesThe cautious climber tested each handhold.
283cooperativeadjectiveGrade 5 social-emotional wordwilling to work helpfully with othersThe cooperative group divided the research tasks fairly.
284decisiveadjectiveGrade 5 social-emotional wordable to make choices quickly and confidentlyThe decisive captain changed course before the storm arrived.
285devotedadjectiveGrade 5 social-emotional wordgiving strong loyalty, love, or effortThe devoted nurse checked on every patient.
286embarrassedadjectiveGrade 5 social-emotional wordfeeling ashamed or awkwardKai felt embarrassed after calling the teacher by the wrong name.
287encouragingadjectiveGrade 5 social-emotional wordgiving hope, confidence, or supportThe coach's encouraging words helped the team recover.
288forgivingadjectiveGrade 5 social-emotional wordwilling to stop feeling angry about a mistakeHer forgiving response allowed the friends to begin again.
289resourcefuladjectiveGrade 5 social-emotional wordskilled at solving problems with what is availableThe resourceful campers repaired the strap with cord and tape.
290selflessadjectiveGrade 5 social-emotional wordcaring more about others' needs than your ownThe selfless volunteer gave her seat to the tired passenger.
291trustworthyadjectiveGrade 5 social-emotional worddeserving trust because of honest and dependable behaviorA trustworthy guide admits when a route is uncertain.
292politeadjectiveGrade 5 social-emotional wordshowing good manners and respectThe polite guest thanked the host before leaving.
293arrogantadjectiveGrade 5 social-emotional wordacting as if you are more important or capable than othersThe arrogant champion refused to congratulate the other team.
294compassionateadjectiveGrade 5 social-emotional wordshowing concern and a desire to help someone who suffersThe compassionate doctor listened carefully to the frightened child.
295demandingadjectiveGrade 5 social-emotional wordrequiring much skill, effort, or attentionTraining for the long race was demanding.
296gloomyadjectiveGrade 5 social-emotional worddark, sad, or without hopeThe gray sky gave the empty street a gloomy appearance.
297guiltyadjectiveGrade 5 social-emotional wordresponsible for a wrong action or feeling ashamed about itThe guilty child admitted breaking the vase.
298jealousadjectiveGrade 5 social-emotional wordupset because someone has something you want or may receive affectionNia felt jealous when her friend won the solo.
299miserableadjectiveGrade 5 social-emotional wordextremely unhappy or uncomfortableThe soaked hikers felt miserable in the cold wind.
300optimisticadjectiveGrade 5 social-emotional wordexpecting good results in the futureThe optimistic gardener believed the damaged plants would recover.

Page 12 vocabulary review

Review five selected words from page 12.

Cloze vocabulary quiz

1. The ___ customer kept checking the clock.

Answer: impatient

2. A ___ guide admits when a route is uncertain.

Answer: trustworthy

3. A ___ listener does not interrupt.

Answer: respectful

4. The ___ guest thanked the host before leaving.

Answer: polite

5. The ___ character kept all the food for himself.

Answer: selfish

Page 13: words 301–325

Vocabulary page 13
#WordPattern / part of speechMeaningSample sentence
301pessimisticadjectiveGrade 5 social-emotional wordexpecting unfavorable resultsThe pessimistic sailor doubted that the wind would improve.
302reluctantadjectiveGrade 5 social-emotional wordunwilling or hesitantThe reluctant puppy stopped at the edge of the water.
303sincereadjectiveGrade 5 social-emotional wordhonest and genuine in feeling or expressionHer sincere apology helped repair the friendship.
304adaptationnounGrade 5 science worda feature or change that helps a living thing surviveA camel's ability to conserve water is an adaptation to desert life.
305organismnounGrade 5 science wordan individual living thingEvery organism in the pond depends on water.
306habitatnounGrade 5 science wordthe natural home of a plant or animalThe marsh provides a habitat for frogs and herons.
307ecosystemnounGrade 5 science worda community of organisms and their physical environmentRemoving one species can affect the entire ecosystem.
308speciesnounGrade 5 science worda group of living things that can reproduce with one anotherThe island supports a rare species of lizard.
309communitynounGrade 5 science wordall the populations living together in one areaThe reef community includes coral, fish, and algae.
310consumernounGrade 5 science wordan organism that gets energy by eating other organismsA rabbit is a consumer that feeds on plants.
311decomposernounGrade 5 science wordan organism that breaks down dead materialA mushroom acts as a decomposer on the forest floor.
312producernounGrade 5 science wordan organism that makes its own foodGrass is a producer that uses sunlight to make food.
313nutrientnounGrade 5 science worda substance needed for growth and healthIron is a nutrient that helps blood carry oxygen.
314photosynthesisnounGrade 5 science wordthe process plants use to make food from light, water, and carbon dioxideDuring photosynthesis, leaves release oxygen.
315respirationnounGrade 5 science wordthe process of releasing energy from food inside cellsCellular respiration provides energy for growth and movement.
316germinationnounGrade 5 science wordthe beginning of growth from a seedWarm soil and water encourage germination.
317pollinationnounGrade 5 science wordthe transfer of pollen that allows plants to produce seedsBees help with pollination as they visit flowers.
318reproductionnounGrade 5 science wordthe process by which living things produce offspringFlowering plants use seeds for reproduction.
319inheritedadjectiveGrade 5 science wordpassed from parents to offspring through genesEye color is an inherited trait.
320instinctnounGrade 5 science worda behavior an animal knows without being taughtMigration is an instinct in many bird species.
321behaviornounGrade 5 science wordthe way a person or organism actsThe scientist recorded the penguin's feeding behavior.
322cellnounGrade 5 science wordthe smallest basic unit of a living thingA microscope can reveal the structure of a plant cell.
323tissuenounGrade 5 science worda group of similar cells working togetherMuscle tissue contracts to move the body.
324organnounGrade 5 science worda body structure made of tissues that performs a particular jobThe heart is an organ that pumps blood.
325systemnounGrade 5 science worda group of connected parts working togetherThe digestive system breaks food into usable nutrients.

A Reluctant Scientist

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

English reading

Mina is reluctant to present her beetle model because she feels pessimistic about it. Her partner gives sincere encouragement. Together they explain how each adaptation helps the organism survive in a dry habitat.

Reading comprehension

1. Why is Mina reluctant to present?

Mina doubts the quality of her model.

2. What does her partner offer?

Her partner offers sincere encouragement.

3. What do the adaptations help the organism do?

They help the organism survive.

Page 14: words 326–350

Vocabulary page 14
#WordPattern / part of speechMeaningSample sentence
326skeletonnounGrade 5 science wordthe framework of bones supporting an animal's bodyA whale's skeleton contains bones shaped like those in other mammals.
327musclenounGrade 5 science wordbody tissue that contracts to produce movementThe heart is a powerful muscle.
328circulationnounGrade 5 science wordthe movement of blood through the bodyExercise can increase blood circulation.
329digestionnounGrade 5 science wordthe process of breaking food into substances the body can useDigestion begins when food is chewed.
330microorganismnounGrade 5 science worda living thing too small to see without magnificationSome kinds of microorganism help produce yogurt.
331bacterianounGrade 5 science wordmicroscopic single-celled organisms, some helpful and some harmfulHelpful bacteria live in healthy soil.
332virusnounGrade 5 science worda tiny infectious agent that reproduces inside living cellsA virus can spread through cough droplets.
333fungusnounGrade 5 science wordan organism such as a mushroom, mold, or yeastThe damp log was covered by a pale fungus.
334parasitenounGrade 5 science wordan organism that lives on or inside another organism and takes nutrients from itA tick is a parasite that feeds on an animal's blood.
335immunitynounGrade 5 science wordthe body's ability to resist a particular infectionVaccination can help the body develop immunity.
336vaccinenounGrade 5 science worda preparation that trains the immune system to resist a diseaseThe vaccine reduced the spread of the illness.
337infectionnounGrade 5 science wordan illness caused when harmful organisms enter the bodyThe doctor treated the cut to prevent infection.
338symptomnounGrade 5 science worda physical sign or feeling that may indicate illnessA high fever can be a symptom of infection.
339treatmentnounGrade 5 science wordcare or medicine used to improve an illness or injuryRest was part of the recommended treatment.
340recoververbGrade 5 science wordto return to health or a normal conditionThe injured bird may recover after several weeks of care.
341contagiousadjectiveGrade 5 science wordable to spread from one person or organism to anotherThe contagious illness moved quickly through the crowded camp.
342hygienenounGrade 5 science wordpractices that keep people and places clean and healthyGood hand hygiene helps prevent infection.
343moleculenounGrade 5 science worda group of atoms joined together as the smallest unit of a substanceA water molecule contains hydrogen and oxygen atoms.
344atomnounGrade 5 science wordthe smallest unit of an element that keeps its propertiesAn atom contains a nucleus surrounded by electrons.
345elementnounGrade 5 science worda pure substance made of one kind of atomOxygen is an element found in air and water.
346compoundnounGrade 5 science worda substance formed when two or more elements join chemicallyWater is a compound made from hydrogen and oxygen.
347mixturenounGrade 5 science wordtwo or more substances combined without forming a new substanceTrail mix is a mixture whose ingredients remain separate.
348dissolveverbGrade 5 science wordto mix completely into a liquidSalt will dissolve more quickly in warm water.
349chemicalnounGrade 5 science worda substance with a particular composition and set of propertiesThe label identifies each chemical in the cleaning solution.
350mineralnounGrade 5 science worda naturally occurring solid with a definite chemical structureQuartz is a common mineral in Earth's crust.

Page 15: words 351–375

Vocabulary page 15
#WordPattern / part of speechMeaningSample sentence
351massnounGrade 5 science wordthe amount of matter in an objectThe balance measures the rock's mass in grams.
352volumenounGrade 5 science wordthe amount of space occupied by an object or substanceWe found the box's volume by multiplying its length, width, and height.
353densitynounGrade 5 science wordthe amount of mass contained in a given volumeOil floats because its density is lower than water's.
354energynounGrade 5 science wordthe ability to cause change or do workFood provides energy for the body.
355forcenounGrade 5 science worda push or pull that can change motionThe force of the kick sent the ball across the field.
356motionnounGrade 5 science worda change in an object's position over timeThe camera recorded the cart's motion down the ramp.
357frictionnounGrade 5 science worda force that resists movement between touching surfacesFriction between the tires and road helps the bicycle stop.
358magnetismnounGrade 5 science wordthe force by which magnets attract or repel materialsMagnetism pulled the iron paper clips toward the bar.
359electricitynounGrade 5 science wordenergy caused by the movement or presence of electric chargeThe wind turbine generates electricity.
360circuitnounGrade 5 science worda complete path through which electric current flowsThe bulb lights when the circuit is closed.
361conductornounGrade 5 science worda material that allows heat or electricity to pass through easilyCopper is a good conductor of electricity.
362insulatornounGrade 5 science worda material that slows the movement of heat or electricityRubber is an insulator used around electric wires.
363reflectionnounGrade 5 science wordthe bouncing back of light, sound, or heatThe mirror formed an image through reflection.
364refractionnounGrade 5 science wordthe bending of light as it passes between materialsRefraction makes the straw appear bent in water.
365vibrationnounGrade 5 science worda rapid back-and-forth movementThe string's vibration produces a musical sound.
366frequencynounGrade 5 science wordthe number of repeated events or vibrations in a set timeA higher sound frequency produces a higher pitch.
367wavelengthnounGrade 5 science wordthe distance between matching points on successive wavesRed light has a longer wavelength than violet light.
368spectrumnounGrade 5 science worda range of related colors, energies, or valuesA prism separates white light into a spectrum.
369transparentadjectiveGrade 5 science wordallowing light through so objects can be seen clearlyThe transparent glass revealed the fish inside the tank.
370translucentadjectiveGrade 5 science wordallowing some light through but not clear imagesThe translucent curtain softened the sunlight.
371opaqueadjectiveGrade 5 science wordnot allowing light to pass throughThe opaque wall blocked all light from the next room.
372solidnounGrade 5 science worda state of matter with a fixed shape and volumeIce is the solid form of water.
373liquidnounGrade 5 science worda state of matter with a fixed volume but no fixed shapeA liquid takes the shape of its container.
374statenounGrade 5 science wordone of the physical forms in which matter can existHeating can change water from a liquid state to a gas.
375evaporationnounGrade 5 science wordthe change of a liquid into a gas at its surfaceEvaporation slowly dried the puddle.

Page 16: words 376–400

Vocabulary page 16
#WordPattern / part of speechMeaningSample sentence
376condensationnounGrade 5 science wordthe change of a gas into a liquidCondensation formed droplets on the cold glass.
377precipitationnounGrade 5 science wordwater that falls from clouds as rain, snow, sleet, or hailThe forecast predicts heavy precipitation overnight.
378humiditynounGrade 5 science wordthe amount of water vapor in the airHigh humidity made the warm day feel uncomfortable.
379atmospherenounGrade 5 science wordthe layer of gases surrounding a planetEarth's atmosphere contains the oxygen people breathe.
380weatheringnounGrade 5 science wordthe breaking down of rock at Earth's surfaceRepeated freezing and thawing cause weathering.
381erosionnounGrade 5 science wordthe movement of soil or rock by water, wind, ice, or gravityTree roots can slow erosion on a steep slope.
382sedimentnounGrade 5 science wordsmall pieces of rock, soil, or organic matter carried and deposited by water or windThe river left a layer of sediment along its banks.
383fossilnounGrade 5 science wordpreserved evidence or remains of ancient lifeThe rock contained a fossil of a small shell.
384glaciernounGrade 5 science worda large, slow-moving mass of iceThe glacier carved a wide valley as it moved.
385earthquakenounGrade 5 science worda sudden shaking of the ground caused by movement in Earth's crustThe earthquake damaged buildings near the fault.
386faultnounGrade 5 science worda crack in Earth's crust where blocks of rock movePressure built along the fault before the earthquake.
387tectonicadjectiveGrade 5 science wordrelating to the movement and structure of Earth's crustTectonic plates move only a few centimeters each year.
388volcanonounGrade 5 science wordan opening in Earth's crust through which melted rock and gas may escapeThe volcano released steam from its summit.
389canyonnounGrade 5 science worda deep valley with steep sides, often carved by a riverThe river flows along the bottom of the canyon.
390plateaunounGrade 5 science worda broad area of high, flat landThe village sits on a plateau above the valley.
391deltanounGrade 5 science wordan area of deposited sediment where a river divides near its mouthThe river formed a fertile delta beside the sea.
392basinnounGrade 5 science worda low area of land drained by a river and its branchesRain from the entire basin flows toward the main river.
393renewableadjectiveGrade 5 science wordable to be replaced naturally within a useful amount of timeSunlight is a renewable source of energy.
394nonrenewableadjectiveGrade 5 science wordexisting in a limited supply that forms very slowlyCoal is a nonrenewable resource.
395conservationnounGrade 5 science wordthe protection and careful use of natural resourcesWater conservation becomes especially important during drought.
396pollutionnounGrade 5 science wordharmful material introduced into the environmentAir pollution can make breathing difficult.
397environmentnounGrade 5 science wordthe natural and human surroundings in which living things existPlastic waste harms the ocean environment.
398recycleverbGrade 5 science wordto process used material so it can be used againThe factory can recycle old glass into new bottles.
399biodegradableadjectiveGrade 5 science wordable to break down naturally through living organismsLeaves are biodegradable and can become compost.
400sustainableadjectiveGrade 5 science wordable to continue without using resources faster than they are replacedThe farm uses sustainable methods to protect the soil.

Water in the Air

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

English reading

Warm water raises the humidity inside a sealed jar. Water vapor enters the cooler upper atmosphere of the jar, where condensation forms droplets. When the drops fall like precipitation, they strike a sugar cube and slowly model weathering.

Reading comprehension

1. What raises the humidity?

Warm water raises the humidity.

2. Where does condensation form?

Condensation forms near the cooler top of the jar.

3. What process does the sugar cube model?

The sugar cube models weathering.

Page 17: words 401–425

Vocabulary page 17
#WordPattern / part of speechMeaningSample sentence
401agriculturenounGrade 5 science wordthe work and science of growing crops and raising animalsAgriculture provides food and materials for communities.
402irrigationnounGrade 5 science wordthe artificial supply of water to crops or landDrip irrigation carries water directly to plant roots.
403fractionnounGrade 5 mathematics worda number representing part of a whole or groupThe shaded fraction of the circle is three fourths.
404decimalnounGrade 5 mathematics worda number written using a decimal point to show parts of a wholeThe decimal 0.5 represents one half.
405percentagenounGrade 5 mathematics wordan amount stated as a number out of one hundredThe percentage of blue marbles is sixty because sixty out of every hundred are blue.
406rationounGrade 5 mathematics worda comparison of two quantities by divisionThe ratio of red beads to blue beads is two to three.
407proportionnounGrade 5 mathematics wordan equation showing that two ratios are equalWe used a proportion to find the missing map distance.
408numeratornounGrade 5 mathematics wordthe number above the line in a fractionIn three fifths, three is the numerator.
409denominatornounGrade 5 mathematics wordthe number below the line in a fractionIn three fifths, five is the denominator.
410productnounGrade 5 mathematics wordthe result of multiplicationThe product of six and seven is forty-two.
411quotientnounGrade 5 mathematics wordthe result of divisionThe quotient of forty and eight is five.
412remaindernounGrade 5 mathematics wordthe amount left after division is completedSeventeen divided by five has a remainder of two.
413multiplenounGrade 5 mathematics worda number produced by multiplying a given number by an integerThirty is a multiple of both five and six.
414primeadjectiveGrade 5 mathematics wordhaving exactly two positive whole-number factorsSeven is a prime number because only one and seven divide it evenly.
415compositeadjectiveGrade 5 mathematics wordhaving more than two positive whole-number factorsTwelve is a composite number with several factor pairs.
416divisibleadjectiveGrade 5 mathematics wordable to be divided by a number with no remainderThirty-six is divisible by nine.
417divisornounGrade 5 mathematics wordthe number by which another number is dividedIn twenty divided by four, four is the divisor.
418exponentnounGrade 5 mathematics worda small raised number showing repeated multiplicationIn three squared, the exponent is two.
419squaredadjectiveGrade 5 mathematics wordmultiplied by itself onceFive squared equals twenty-five.
420cubedadjectiveGrade 5 mathematics wordmultiplied by itself twiceTwo cubed equals eight.
421operationnounGrade 5 mathematics worda mathematical process such as addition or divisionChoose the correct operation before solving the problem.
422expressionnounGrade 5 mathematics worda mathematical phrase made of numbers, symbols, or variablesThe expression six plus four has a value of ten.
423coordinatenounGrade 5 mathematics worda number in an ordered pair that locates a pointThe first coordinate tells how far to move horizontally.
424axisnounGrade 5 mathematics worda reference line used in a graph or coordinate planeThe horizontal axis shows time in minutes.
425graphnounGrade 5 mathematics worda visual display showing relationships among numbers or quantitiesThe graph shows how temperature changed during the day.

Page 18: words 426–450

Vocabulary page 18
#WordPattern / part of speechMeaningSample sentence
426orderedadjectiveGrade 5 mathematics wordarranged according to a particular sequence or ruleAn ordered pair lists the horizontal coordinate first.
427quadrantnounGrade 5 mathematics wordone of four regions formed by the axes on a coordinate planeThe point is located in the first quadrant.
428polygonnounGrade 5 mathematics worda closed flat shape made of straight sidesA hexagon is a polygon with six sides.
429anglenounGrade 5 mathematics worda figure formed where two rays or line segments meetA right angle measures ninety degrees.
430vertexnounGrade 5 mathematics worda point where lines, edges, or rays meetThe top vertex joins the triangle's two sloping sides.
431paralleladjectiveGrade 5 mathematics wordremaining the same distance apart and never meetingOpposite sides of a rectangle are parallel.
432perpendicularadjectiveGrade 5 mathematics wordmeeting to form a right angleThe vertical post is perpendicular to the ground.
433trianglenounGrade 5 mathematics worda polygon with three sides and three anglesThe triangle has one right angle.
434rectanglenounGrade 5 mathematics worda four-sided shape with four right anglesThe classroom floor forms a rectangle.
435rhombusnounGrade 5 mathematics worda four-sided shape whose sides are all equalThe tilted tile is a rhombus rather than a square.
436trapezoidnounGrade 5 mathematics worda four-sided shape with at least one pair of parallel sidesThe bridge support forms a trapezoid.
437circumferencenounGrade 5 mathematics wordthe distance around a circleWe wrapped string around the lid to measure its circumference.
438diameternounGrade 5 mathematics worda line segment through a circle's center with endpoints on the circleThe plate's diameter is twice its radius.
439radiusnounGrade 5 mathematics worda line segment from the center of a circle to its edgeThe compass was set to a radius of five centimeters.
440areanounGrade 5 mathematics wordthe amount of surface inside a flat shapeMultiply length by width to find a rectangle's area.
441perimeternounGrade 5 mathematics wordthe total distance around a flat shapeAdd all four side lengths to find the garden's perimeter.
442symmetrynounGrade 5 mathematics worda balanced arrangement in which parts match across a line or pointThe butterfly's wings show approximate symmetry.
443mediannounGrade 5 mathematics wordthe middle value in an ordered set of numbersThe median of three, five, and nine is five.
444modenounGrade 5 mathematics wordthe value that occurs most often in a data setThe mode of two, three, three, and five is three.
445rangenounGrade 5 mathematics wordthe difference between the greatest and least values in a data setThe range of four, seven, and twelve is eight.
446datanounGrade 5 mathematics wordfacts, measurements, or observations collected for studyWe recorded the rainfall data in a table.
447samplenounGrade 5 mathematics worda smaller group studied to learn about a larger groupThe survey used a sample of fifty residents.
448probabilitynounGrade 5 mathematics worda measure of how likely an event is to happenThe probability of rolling an even number is one half.
449possibleadjectiveGrade 5 mathematics wordable to happen or be doneRolling a six is possible with a standard number cube.
450impossibleadjectiveGrade 5 mathematics wordunable to happen or be doneIt is impossible to roll a seven on a standard six-sided number cube.

Page 19: words 451–475

Vocabulary page 19
#WordPattern / part of speechMeaningSample sentence
451eventnounGrade 5 mathematics wordone possible result in a probability experimentDrawing a red marble is the event we are studying.
452estimatenounGrade 5 mathematics worda reasonable calculation that is close but not exactOur estimate placed the crowd at about five hundred people.
453governmentnounGrade 5 social studies wordthe system and people responsible for making and enforcing public decisionsThe local government maintains roads and parks.
454democracynounGrade 5 social studies worda system in which people participate in choosing their leadersIn a democracy, citizens vote in elections.
455republicnounGrade 5 social studies worda government in which citizens elect representativesThe constitution established the nation as a republic.
456constitutionnounGrade 5 social studies wordthe basic written principles and laws of a governmentThe constitution describes the powers of each branch.
457citizennounGrade 5 social studies worda legal member of a country with rights and responsibilitiesEvery citizen may contact elected representatives.
458citizenshipnounGrade 5 social studies wordthe status and responsibilities of belonging to a country or communityResponsible citizenship includes learning about public issues.
459rightsnounGrade 5 social studies wordfreedoms and protections people are entitled to haveThe law protects the rights of every voter.
460dutynounGrade 5 social studies worda responsibility that someone is expected to fulfillServing on a jury can be a citizen's duty.
461justicenounGrade 5 social studies wordfair treatment according to law and moral principlesThe court seeks justice by examining evidence carefully.
462authoritynounGrade 5 social studies wordthe power or right to make decisions and enforce rulesThe city council has authority over local zoning.
463legislaturenounGrade 5 social studies worda group of elected people who make lawsThe state legislature debated the education bill.
464executiveadjectiveGrade 5 social studies wordresponsible for carrying out laws and managing governmentThe executive branch enforces federal laws.
465judicialadjectiveGrade 5 social studies wordrelating to courts and the interpretation of lawsThe judicial branch decides how laws apply to cases.
466congressnounGrade 5 social studies worda national lawmaking body made of elected representativesCongress considered a bill about national parks.
467courtnounGrade 5 social studies worda government body where legal cases are heard and decidedThe court listened to witnesses before reaching a decision.
468amendmentnounGrade 5 social studies wordan official change or addition to a law or documentThe amendment added a new protection to the constitution.
469federaladjectiveGrade 5 social studies wordrelating to a national government shared by states or regionsFederal law applies throughout the country.
470regionaladjectiveGrade 5 social studies wordrelating to a particular area of a country or the worldThe regional train connects several nearby cities.
471municipaladjectiveGrade 5 social studies wordrelating to the government of a city or townThe municipal library is funded by the city.
472policynounGrade 5 social studies wordan agreed plan or rule used to guide decisionsThe school adopted a policy for reducing food waste.
473economynounGrade 5 social studies wordthe system by which goods and services are produced, sold, and usedTourism supports the island's economy.
474economicadjectiveGrade 5 social studies wordrelating to money, trade, jobs, or the economyThe new harbor created economic opportunities.
475tradenounGrade 5 social studies wordthe exchange of goods or servicesRiver routes allowed trade between distant communities.

Estimating an Election

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

English reading

A mock election is the final event in civics week. Students estimate the turnout before voting for representatives. The activity shows how democracy works in a republic, where citizens choose people to serve in government.

Reading comprehension

1. What event ends civics week?

A mock election ends civics week.

2. What do students estimate?

They estimate voter turnout.

3. How are democracy and a republic connected?

Citizens in the republic elect representatives to government.

Page 20: words 476–500

Vocabulary page 20
#WordPattern / part of speechMeaningSample sentence
476commercenounGrade 5 social studies wordthe activity of buying and selling on a large scaleThe port became a center of international commerce.
477importverbGrade 5 social studies wordto bring goods into a country for saleThe country must import fruit during the cold season.
478exportverbGrade 5 social studies wordto send goods to another country for saleLocal farms export coffee to markets overseas.
479supplynounGrade 5 social studies wordthe amount of something available for use or saleHeavy rain increased the city's water supply.
480demandnounGrade 5 social studies wordthe amount of a product or service that people want to buyDemand for warm coats rises in winter.
481scarcitynounGrade 5 social studies worda condition in which there is not enough of somethingWater scarcity forced the town to limit outdoor use.
482budgetnounGrade 5 social studies worda plan for how money will be earned and spentThe club created a budget before ordering supplies.
483incomenounGrade 5 social studies wordmoney received from work, business, or investmentsPart of her summer income went into savings.
484expensenounGrade 5 social studies worda cost that must be paidRent was the family's largest monthly expense.
485profitnounGrade 5 social studies wordmoney remaining after all costs are paidThe bakery used its profit to buy a larger oven.
486goodsnounGrade 5 social studies wordphysical items produced or soldThe train carried goods from inland factories to the port.
487servicenounGrade 5 social studies wordwork performed to meet a need rather than produce an objectBus transportation is a public service.
488currencynounGrade 5 social studies wordthe money used in a particular countryTravelers exchanged their currency before the trip.
489taxnounGrade 5 social studies wordmoney collected by government to pay for public needsThe sales tax helps fund local services.
490labornounGrade 5 social studies wordphysical or mental work, especially work done for payBuilding the stone wall required many hours of labor.
491industrynounGrade 5 social studies wordbusinesses involved in producing a particular kind of good or serviceFishing is an important industry in the coastal region.
492entrepreneurnounGrade 5 social studies worda person who starts and manages a business while taking financial risksThe young entrepreneur opened a bicycle repair shop.
493colonynounGrade 5 social studies worda territory controlled by people or a government from another countryThe distant colony sent raw materials to the ruling nation.
494colonistnounGrade 5 social studies worda person who settles in and helps establish a colonyEach colonist had to build shelter before winter.
495settlementnounGrade 5 social studies worda place where people establish a new communityThe settlement grew beside a reliable water source.
496independencenounGrade 5 social studies wordfreedom from outside controlThe nation declared independence after years of conflict.
497revolutionnounGrade 5 social studies worda major and often sudden change in government or societyThe revolution ended the monarch's rule.
498treatynounGrade 5 social studies worda formal agreement between countries or groupsThe treaty established a peaceful border.
499alliancenounGrade 5 social studies wordan agreement between groups or countries to support one anotherThe two nations formed an alliance for mutual defense.
500territorynounGrade 5 social studies wordan area of land controlled by a country, group, or animalThe map shows the territory governed by the northern kingdom.

Sources and curriculum references

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