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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 376–400 of 500
#WordPattern / part of speechMeaningSample sentence
376condensationnounGrade 5 science wordការខាប់Condensation formed droplets on the cold glass.
377precipitationnounGrade 5 science wordទឹកភ្លៀងThe forecast predicts heavy precipitation overnight.
378humiditynounGrade 5 science word1. សំណើម 2. សន្សើមHigh humidity made the warm day feel uncomfortable.
379atmospherenounGrade 5 science wordបរិយាកាសEarth's atmosphere contains the oxygen people breathe.
380weatheringnounGrade 5 science wordអាកាសធាតុRepeated freezing and thawing cause weathering.
381erosionnounGrade 5 science wordសំណឹកTree roots can slow erosion on a steep slope.
382sedimentnounGrade 5 science wordដីល្បាប់The river left a layer of sediment along its banks.
383fossilnounGrade 5 science word1. ហ្វូស៊ីល 2. បាសាណីភូតThe rock contained a fossil of a small shell.
384glaciernounGrade 5 science wordផ្ទាំងទឹកកកThe glacier carved a wide valley as it moved.
385earthquakenounGrade 5 science wordរញ្ជួយផែនដីThe earthquake damaged buildings near the fault.
386faultnounGrade 5 science wordទោសPressure built along the fault before the earthquake.
387tectonicadjectiveGrade 5 science word1. ដែលរចិតវិវត្ត 2. នៃរចិតវិវត្តន៍Tectonic plates move only a few centimeters each year.
388volcanonounGrade 5 science wordភ្នំភ្លើងThe volcano released steam from its summit.
389canyonnounGrade 5 science wordអន្លង់The river flows along the bottom of the canyon.
390plateaunounGrade 5 science wordខ្ពង់រាបThe village sits on a plateau above the valley.
391deltanounGrade 5 science wordដែលតាThe river formed a fertile delta beside the sea.
392basinnounGrade 5 science word1. អាងទន្លេ 2. អាងRain from the entire basin flows toward the main river.
393renewableadjectiveGrade 5 science wordអាចបន្តបាន។Sunlight is a renewable source of energy.
394nonrenewableadjectiveGrade 5 science wordមិនអាចកកើតឡើងវិញបាន។Coal is a nonrenewable resource.
395conservationnounGrade 5 science wordការអភិរក្សWater conservation becomes especially important during drought.
396pollutionnounGrade 5 science wordការបំពុលAir pollution can make breathing difficult.
397environmentnounGrade 5 science word1. បរិស្ថាន 2. មជ្ឈដ្ឋាន 3. បរិយាការPlastic waste harms the ocean environment.
398recycleverbGrade 5 science wordកែច្នៃឡើងវិញThe factory can recycle old glass into new bottles.
399biodegradableadjectiveGrade 5 science wordដែលអាចបំបែកបានLeaves are biodegradable and can become compost.
400sustainableadjectiveGrade 5 science wordនិរន្តរភាពThe farm uses sustainable methods to protect the soil.

Vocabulary reading and practice

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.

Khmer translation

A reviewed translation is not available for this passage yet.

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.

Sources and curriculum references

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