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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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500 words
Words 301–325 of 500
#WordPattern / part of speechMeaningSample sentence
301pessimisticadjectiveGrade 5 social-emotional word비관적The pessimistic sailor doubted that the wind would improve.
302reluctantadjectiveGrade 5 social-emotional word1. 꺼리는 2. 마지못한The reluctant puppy stopped at the edge of the water.
303sincereadjectiveGrade 5 social-emotional word진솔하다Her sincere apology helped repair the friendship.
304adaptationnounGrade 5 science word1. 적응 2. 순응 3. 순화A camel's ability to conserve water is an adaptation to desert life.
305organismnounGrade 5 science word1. 생물(生物) 2. 유기체(有機體) 3. 생물체(生物體)Every organism in the pond depends on water.
306habitatnounGrade 5 science word1. 서식지(棲息地) 2. 서식지 3. 서식The marsh provides a habitat for frogs and herons.
307ecosystemnounGrade 5 science word1. 생태계(生態系) 2. 생태계 3. 생태Removing one species can affect the entire ecosystem.
308speciesnounGrade 5 science word종The island supports a rare species of lizard.
309communitynounGrade 5 science word1. 커뮤니티 2. 공동체 3. 군락The reef community includes coral, fish, and algae.
310consumernounGrade 5 science word소비자A rabbit is a consumer that feeds on plants.
311decomposernounGrade 5 science word분해자A mushroom acts as a decomposer on the forest floor.
312producernounGrade 5 science word생산자Grass is a producer that uses sunlight to make food.
313nutrientnounGrade 5 science word1. 영양소(營養素) 2. 영양소 3. 양분Iron is a nutrient that helps blood carry oxygen.
314photosynthesisnounGrade 5 science word1. 광합성(光合成) 2. 광합성During photosynthesis, leaves release oxygen.
315respirationnounGrade 5 science word1. 호흡 2. 세포 호흡Cellular respiration provides energy for growth and movement.
316germinationnounGrade 5 science word발아Warm soil and water encourage germination.
317pollinationnounGrade 5 science word수분Bees help with pollination as they visit flowers.
318reproductionnounGrade 5 science word1. 번식 2. 생식Flowering plants use seeds for reproduction.
319inheritedadjectiveGrade 5 science word물려받은Eye color is an inherited trait.
320instinctnounGrade 5 science word1. 본능 2. 본성Migration is an instinct in many bird species.
321behaviornounGrade 5 science word1. 행위(行爲) 2. 행동(行動) 3. 거동(擧動)The scientist recorded the penguin's feeding behavior.
322cellnounGrade 5 science word1. 세포(細胞) 2. 셀 3. 세포A microscope can reveal the structure of a plant cell.
323tissuenounGrade 5 science word조직Muscle tissue contracts to move the body.
324organnounGrade 5 science word기관The heart is an organ that pumps blood.
325systemnounGrade 5 science word1. 체계(體系) 2. 제도(制度) 3. 계통(系統)The digestive system breaks food into usable nutrients.

Vocabulary reading and practice

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.

Korean translation

A reviewed translation is not available for this passage yet.

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.

Sources and curriculum references

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