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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| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 251 | seismic-wave | noun StudyField: Grade 8 science and technology word Word study: Term structure: seismic + wave. Study the complete expression as one field-specific unit. | 지진파 | A seismic-wave reached the distant station several minutes after the quake. |
| 252 | rock-cycle | noun StudyField: Grade 8 science and technology word Word study: Term structure: rock + cycle. Study the complete expression as one field-specific unit. | 암석주기 | Melting, cooling, erosion, and pressure drive the rock-cycle. |
| 253 | greenhouse-effect | noun StudyField: Grade 8 science and technology word Word study: Term structure: greenhouse + effect. Study the complete expression as one field-specific unit. | 온실 효과 | Without the natural greenhouse-effect, Earth's average temperature would be much lower. |
| 254 | carbon-cycle | noun StudyField: Grade 8 science and technology word Word study: Term structure: carbon + cycle. Study the complete expression as one field-specific unit. | 탄소 순환 | Photosynthesis removes carbon dioxide from the air as part of the carbon-cycle. |
| 255 | ocean-current | noun StudyField: Grade 8 science and technology word Word study: Term structure: ocean + current. Study the complete expression as one field-specific unit. | 해류 | A warm ocean-current can raise winter temperatures along a coast. |
| 256 | programming | noun StudyField: Grade 8 science and technology word Word study: Base-form focus: programming is the dictionary headword; compare its inflected or derived forms in context. | 프로그래밍 | Programming the robot required a loop that repeated the movement. |
| 257 | bandwidth | noun StudyField: Grade 8 science and technology word Word study: Base-form focus: bandwidth is the dictionary headword; compare its inflected or derived forms in context. | 1. 대역폭(帶域幅) 2. 대역폭 | Streaming several videos at once uses considerable bandwidth. |
| 258 | binary | adjective StudyField: Grade 8 science and technology word Word study: Base-form focus: binary is the dictionary headword; compare its inflected or derived forms in context. | 이진 | Computers store many kinds of information in binary form using zeros and ones. |
| 259 | nanotechnology | noun StudyField: Grade 8 science and technology word Word study: Root and suffix focus: -logy means the study of a subject. | 나노기술 | Nanotechnology can create coatings that resist water and stains. |
| 260 | telemetry | noun StudyField: Grade 8 science and technology word Word study: Root and suffix focus: -metry relates to measuring. | 원격 측정 | Satellite telemetry reported the spacecraft's temperature and speed. |
| 261 | microprocessor | noun StudyField: Grade 8 science and technology word Word study: Prefix focus: micro- means small. | 마이크로프로세서 | The washing machine's microprocessor controls each cycle. |
| 262 | hardware | noun StudyField: Grade 8 science and technology word Word study: Base-form focus: hardware is the dictionary headword; compare its inflected or derived forms in context. | 1. 하드웨어 2. 굳은모 | The keyboard and monitor are computer hardware. |
| 263 | concave | adjective StudyField: Grade 8 science and technology word Word study: Base-form focus: concave is the dictionary headword; compare its inflected or derived forms in context. | 요면 | A concave mirror can focus parallel light rays. |
| 264 | convex | adjective StudyField: Grade 8 science and technology word Word study: Base-form focus: convex is the dictionary headword; compare its inflected or derived forms in context. | 1. 볼록한 2. 볼록하다 | A convex lens can bring light rays together. |
| 265 | focal-point | noun StudyField: Grade 8 science and technology word Word study: Term structure: focal + point. Study the complete expression as one field-specific unit. | 초점 | The paper began to warm when sunlight converged at the focal-point. |
| 266 | lens | noun StudyField: Grade 8 science and technology word Word study: Base-form focus: lens is the dictionary headword; compare its inflected or derived forms in context. | 렌즈 | The microscope's objective lens magnifies the specimen. |
| 267 | polarization | noun StudyField: Grade 8 science and technology word Word study: Suffix focus: -ization forms a noun for a process of making or becoming. | 편광 | Polarization helps sunglasses reduce reflected glare. |
| 268 | ultraviolet | adjective StudyField: Grade 8 science and technology word Word study: Base-form focus: ultraviolet is the dictionary headword; compare its inflected or derived forms in context. | 자외선 | Ultraviolet radiation can damage unprotected skin. |
| 269 | infrared | adjective StudyField: Grade 8 science and technology word Word study: Base-form focus: infrared is the dictionary headword; compare its inflected or derived forms in context. | 적외선 | A thermal camera detects infrared radiation from warm objects. |
| 270 | x-ray | noun StudyField: Grade 8 science and technology word Word study: Term structure: x + ray. Study the complete expression as one field-specific unit. | 엑스레이 | An x-ray revealed a small fracture in the bone. |
| 271 | gamma-ray | noun StudyField: Grade 8 science and technology word Word study: Term structure: gamma + ray. Study the complete expression as one field-specific unit. | 감마선 | A gamma-ray can pass through materials that block visible light. |
| 272 | radio-wave | noun StudyField: Grade 8 science and technology word Word study: Term structure: radio + wave. Study the complete expression as one field-specific unit. | 전파 | The antenna transmits a radio-wave carrying the audio signal. |
| 273 | microwave | noun StudyField: Grade 8 science and technology word Word study: Base-form focus: microwave is the dictionary headword; compare its inflected or derived forms in context. | 마이크로파 | A microwave in radar can reflect from an approaching storm. |
| 274 | visible-light | noun StudyField: Grade 8 science and technology word Word study: Term structure: visible + light. Study the complete expression as one field-specific unit. | 가시광선 | A prism separates visible-light into a band of colors. |
| 275 | sound-wave | noun StudyField: Grade 8 science and technology word Word study: Term structure: sound + wave. Study the complete expression as one field-specific unit. | 음파 | The 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.
English reading
Reading passage is being prepared.
Korean translation
A reviewed translation is not available for this passage yet.
Vocabulary quiz
Choose the dictionary equivalent for each of 5 selected words.
Vocabulary chart page
This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.
Sources and curriculum references
These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.
- Flocabulary: 8th Grade Vocabulary Word List
- GreatSchools / Hyde Park: Academic Vocabulary Words for 8th Graders
- Berkeley Unified School District: Grade Level Academic Vocabulary
- WikDict downloadable bilingual dictionaries
- Kaikki.org / Wiktextract machine-readable Wiktionary data
- Language-Learning-decks public flashcard datasets
- SBBIC English-to-Khmer Dictionary
- English–Khmer Dictionary Dataset (machine-generated Khmer fallback; human review required)
- PanLex meanings snapshot (direct CC0 gap candidates; human review required)
- Cambridge bilingual dictionaries (individual editorial sense checks)
- Collins English–Hindi Dictionary (individual editorial checks)
- Hindwi and Rekhta dictionaries (individual Hindi/Urdu checks)
- National Institute of Korean Language: Basic Korean Dictionary
- JMdict/EDRDG Japanese dictionary project
- CC-CEDICT Chinese dictionary project
- VDict Vietnamese Dictionary (individual editorial check)
- Google Translate (machine-assisted lesson-reading draft; fluent review required)
- Kuperman et al.: Age-of-acquisition ratings for 30,000 English words
- Glencoe/McGraw-Hill, Vocabulary Power: Grade 8, ISBN 0-07-826228-3 (bibliographic calibration only).