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Vocabulary Preview
A Choose the correct word for each definition.
invent experiment light bulb filament repeat
repair article flight succeed improve
1. flight : n. the act of flying
2. invent : v. to create or produce for the first time
3. repair : n. something that you do to fix a thing that is broken
4. experiment : n. a test for discovering something
5. repeat : v. to do or produce something again
6. article : n. passages on a topic on newspapers
7. succeed : v. to have the wanted result
8. light bulb : n. the glass object inside a lamp that produces light
9. filament : n. a thin wire in a light bulb that glows when electricity passes through it
10. improve : v. to bring into a better condition
B Match each of the vocabulary words with the correct synonym.
Vocabulary Word Synonym
1. last • • a. change, alter, substitute
2. replace • • b. average, basic, common
3. develop • • c. continue, endure, survive
4. standard • • d. advance, grow, progress
5. glow • • e. burn, beam, glare
Unit 1 Invention 127
A Choose the correct word for each definition.
invent experiment light bulb filament repeat
repair article flight succeed improve
1. flight : n. the act of flying
2. invent : v. to create or produce for the first time
3. repair : n. something that you do to fix a thing that is broken
4. experiment : n. a test for discovering something
5. repeat : v. to do or produce something again
6. article : n. passages on a topic on newspapers
7. succeed : v. to have the wanted result
8. light bulb : n. the glass object inside a lamp that produces light
9. filament : n. a thin wire in a light bulb that glows when electricity passes through it
10. improve : v. to bring into a better condition
B Match each of the vocabulary words with the correct synonym.
Vocabulary Word Synonym
1. last • • a. change, alter, substitute
2. replace • • b. average, basic, common
3. develop • • c. continue, endure, survive
4. standard • • d. advance, grow, progress
5. glow • • e. burn, beam, glare
Unit 1 Invention 127
