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English Vocabulary · Grade 8 Live Review Preview

8th Grade Vocabulary Words

Eighth-grade readers move toward high-school-level analysis across literature, argument, research, physical and life science, algebra, economics, history, and civics. This level strengthens precise Tier II and cross-curricular vocabulary while emphasizing context, analogy, word relationships, Greek and Latin roots, multiple meanings, source judgment, and evidence-based communication.

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 cited Grade 8 resources calibrate 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 251–275 of 500
#WordDetailsMeaningSample sentence
251seismic-wavenoun
Study

Field: Grade 8 science and technology word

Word study: Term structure: seismic + wave. Study the complete expression as one field-specific unit.

σεισμικό-κύμαA seismic-wave reached the distant station several minutes after the quake.
252rock-cyclenoun
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Field: Grade 8 science and technology word

Word study: Term structure: rock + cycle. Study the complete expression as one field-specific unit.

ροκ-κύκλοςMelting, cooling, erosion, and pressure drive the rock-cycle.
253greenhouse-effectnoun
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Field: Grade 8 science and technology word

Word study: Term structure: greenhouse + effect. Study the complete expression as one field-specific unit.

φαινόμενο του θερμοκηπίουWithout the natural greenhouse-effect, Earth's average temperature would be much lower.
254carbon-cyclenoun
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Field: Grade 8 science and technology word

Word study: Term structure: carbon + cycle. Study the complete expression as one field-specific unit.

κύκλος άνθρακαPhotosynthesis removes carbon dioxide from the air as part of the carbon-cycle.
255ocean-currentnoun
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Field: Grade 8 science and technology word

Word study: Term structure: ocean + current. Study the complete expression as one field-specific unit.

ωκεάνιο ρεύμαA warm ocean-current can raise winter temperatures along a coast.
256programmingnoun
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Field: Grade 8 science and technology word

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

προγραμματισμόςProgramming the robot required a loop that repeated the movement.
257bandwidthnoun
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Field: Grade 8 science and technology word

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

εύρος ζώνηςStreaming several videos at once uses considerable bandwidth.
258binaryadjective
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Field: Grade 8 science and technology word

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

δυαδικόςComputers store many kinds of information in binary form using zeros and ones.
259nanotechnologynoun
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Field: Grade 8 science and technology word

Word study: Root and suffix focus: -logy means the study of a subject.

νανοτεχνολογίαNanotechnology can create coatings that resist water and stains.
260telemetrynoun
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Field: Grade 8 science and technology word

Word study: Root and suffix focus: -metry relates to measuring.

τηλεμετρίαSatellite telemetry reported the spacecraft's temperature and speed.
261microprocessornoun
Study

Field: Grade 8 science and technology word

Word study: Prefix focus: micro- means small.

μικροεπεξεργαστήςThe washing machine's microprocessor controls each cycle.
262hardwarenoun
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Field: Grade 8 science and technology word

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

υλισμικόThe keyboard and monitor are computer hardware.
263concaveadjective
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Field: Grade 8 science and technology word

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

κοίλοςA concave mirror can focus parallel light rays.
264convexadjective
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Field: Grade 8 science and technology word

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

κυρτόςA convex lens can bring light rays together.
265focal-pointnoun
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Field: Grade 8 science and technology word

Word study: Term structure: focal + point. Study the complete expression as one field-specific unit.

εστιακό σημείοThe paper began to warm when sunlight converged at the focal-point.
266lensnoun
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Field: Grade 8 science and technology word

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

φακόςThe microscope's objective lens magnifies the specimen.
267polarizationnoun
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Field: Grade 8 science and technology word

Word study: Suffix focus: -ization forms a noun for a process of making or becoming.

πόλωσηPolarization helps sunglasses reduce reflected glare.
268ultravioletadjective
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Field: Grade 8 science and technology word

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

υπεριώδηςUltraviolet radiation can damage unprotected skin.
269infraredadjective
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Field: Grade 8 science and technology word

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

υπέρυθροςA thermal camera detects infrared radiation from warm objects.
270x-raynoun
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Field: Grade 8 science and technology word

Word study: Term structure: x + ray. Study the complete expression as one field-specific unit.

1. ακτίνα Χ 2. ακτινοβολία ΧAn x-ray revealed a small fracture in the bone.
271gamma-raynoun
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Field: Grade 8 science and technology word

Word study: Term structure: gamma + ray. Study the complete expression as one field-specific unit.

ακτίνες γάμμαA gamma-ray can pass through materials that block visible light.
272radio-wavenoun
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Field: Grade 8 science and technology word

Word study: Term structure: radio + wave. Study the complete expression as one field-specific unit.

ραδιοκύμαThe antenna transmits a radio-wave carrying the audio signal.
273microwavenoun
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Field: Grade 8 science and technology word

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

μικροκύμαA microwave in radar can reflect from an approaching storm.
274visible-lightnoun
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Field: Grade 8 science and technology word

Word study: Term structure: visible + light. Study the complete expression as one field-specific unit.

ορατό φωςA prism separates visible-light into a band of colors.
275sound-wavenoun
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Field: Grade 8 science and technology word

Word study: Term structure: sound + wave. Study the complete expression as one field-specific unit.

ηχητικό κύμαThe sound-wave traveled through air from the speaker to the microphone.

Vocabulary reading and practice

Page 11 vocabulary review

Review five selected words from page 11.

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.