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English Vocabulary · Grade 7 Live Review Preview

7th Grade Vocabulary Words

Seventh-grade readers are expected to move confidently among literary analysis, argument, research, science, mathematics, history, and civic discussion. This level develops precise Tier II and cross-curricular language while reinforcing context clues, word relationships, roots and affixes, multiple meanings, source evaluation, and evidence-based 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. The supplied Grade 7 workbook calibrated difficulty and vocabulary-study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

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500 words
Words 226–250 of 500
#WordDetailsMeaningSample sentence
226inputnoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: input is the dictionary headword; compare its inflected or derived forms in context.

1. Cái 2. vàoThe microphone converts sound input into an electrical signal.
227outputnoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: output is the dictionary headword; compare its inflected or derived forms in context.

1. Sự 2. sản xuấtThe screen displays the sensor's output as a graph.
228sensornoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: sensor is the dictionary headword; compare its inflected or derived forms in context.

1. cảm biến 2. phần tử 3. nhạyA light sensor turns the lamp on at dusk.
229roboticsnoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: robotics is the dictionary headword; compare its inflected or derived forms in context.

1. Người 2. máy 3. họcRobotics combines programming, mechanics, and electronics.
230automationnoun
Study

Field: Grade 7 science and engineering word

Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.

1. sự tự động hóa 2. 事自動化 3. SựAutomation allows the greenhouse to adjust watering overnight.
231hydroelectricadjective
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: hydroelectric is the dictionary headword; compare its inflected or derived forms in context.

thuỷ điệnThe hydroelectric station uses falling water to turn turbines.
232solaradjective
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: solar is the dictionary headword; compare its inflected or derived forms in context.

mặt trờiA solar cooker concentrates sunlight to heat food.
233geothermaladjective
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: geothermal is the dictionary headword; compare its inflected or derived forms in context.

địa nhiệtThe town uses geothermal energy from underground hot water.
234turbinenoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: turbine is the dictionary headword; compare its inflected or derived forms in context.

1. tua-bin 2. tuốc binSteam spins the turbine inside the power plant.
235generatornoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: generator is the dictionary headword; compare its inflected or derived forms in context.

1. máy phát điện 2. Người 3. tạoThe bicycle generator powers the headlamp.
236antidotenoun
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: antidote is the dictionary headword; compare its inflected or derived forms in context.

1. chất giải độc 2. Thuốc 3. giải độcDoctors administered the antidote soon after identifying the toxin.
237malfunctionnoun
Study

Field: Grade 7 science and engineering word

Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.

1. Sự 2. chạy 3. trục trặcA sensor malfunction caused the false alarm.
238auditoryadjective
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: auditory is the dictionary headword; compare its inflected or derived forms in context.

thính giácThe auditory nerve carries signals from the inner ear.
239inaudibleadjective
Study

Field: Grade 7 science and engineering word

Word study: Suffix focus: -ible means capable of, suitable for, or able to be affected.

không nghe đượcThe bat's highest calls are inaudible to human ears.
240propelverb
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: propel is the dictionary headword; compare its inflected or derived forms in context.

1. Đẩy 2. đi 3. tớiExpelled air can propel the balloon across the room.
241saturateverb
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: saturate is the dictionary headword; compare its inflected or derived forms in context.

bão hòaContinued rain will saturate the soil.
242lethaladjective
Study

Field: Grade 7 science and engineering word

Word study: Base-form focus: lethal is the dictionary headword; compare its inflected or derived forms in context.

gây chết ngườiEven a small dose of the chemical can be lethal to fish.
243rationaladjective
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: rational is the dictionary headword; compare its inflected or derived forms in context.

1. hợp lí 2. hợp lýThe decimal 0.75 is rational because it equals three fourths.
244positiveadjective
Study

Field: Grade 7 mathematics and data word

Word study: Suffix focus: -ive commonly forms an adjective meaning having a quality or tendency.

dươngA positive number appears to the right of zero on a number line.
245termnoun
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: term is the dictionary headword; compare its inflected or derived forms in context.

1. Hạn 2. giới hạn 3. định hạnThe expression has three terms, and each term is separated by a plus sign.
246substituteverb
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: substitute is the dictionary headword; compare its inflected or derived forms in context.

1. Thế 2. thay thếSubstitute six for x before simplifying the expression.
247differencenoun
Study

Field: Grade 7 mathematics and data word

Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.

1. hiệu số 2. hiệu 3. khác nhauThe difference between twenty and thirteen is seven.
248percentnoun
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: percent is the dictionary headword; compare its inflected or derived forms in context.

phần trămTwenty-five percent is equivalent to one fourth.
249theoreticaladjective
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: theoretical is the dictionary headword; compare its inflected or derived forms in context.

lý thuyếtThe theoretical probability of rolling a six is one sixth.
250experimentaladjective
Study

Field: Grade 7 mathematics and data word

Word study: Base-form focus: experimental is the dictionary headword; compare its inflected or derived forms in context.

thực nghiệmOur experimental probability changed as we repeated the toss.

Vocabulary reading and practice

A Rescue Robot

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

English reading

The robotics team designs a machine for flooded buildings. A water sensor warns when soaked floors begin to saturate its wheels. Small fans propel the robot around obstacles so rescuers can inspect a room without entering a potentially lethal space.

Vietnamese translation

A reviewed translation is not available for this passage yet.

Reading comprehension

1. What does the sensor detect?

The sensor detects water.

2. What can saturate the wheels?

Floodwater can saturate the wheels.

3. Why might the robot enter first?

It can inspect a potentially lethal space safely.

Vocabulary quiz

Choose the dictionary equivalent for each of 5 selected words.

Sources and curriculum references

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