7/29/2019 Vocab Worksheet7B_answer key.docx

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RW 4 Spring 2013

Name______________________________________

Vocabulary Practice: Words from 7B

A. Find synonyms for the vocabulary words and definitions from the reading about caffeine. Use athesaurus to find the synonyms.

Vocabulary Word Definition Synonyms

finite having limits restricted, limited

substitute a person or thing that replaces someone

or something else

replacement

advocate of a person who supports a cause or policy supporter, defender

guarantee to promise something or be sure of

something

assure, promise

steep very high extreme

equivalent having the same value, use, or meaning as

something else

equal

capacity;

capable

the ability to do something;

skilled at doing something

talent, skill

talented, skillful, adept

decline to become lower or worse lessen, weaken, diminish

dispose of;

disposal

to throw (something) away;

the act of throwing something away

get rid of, discard

removal

utilize to use (something) for a particular

purpose

use, employ

B. Use the synonyms that you found for the words above to complete the sentences below. Not all ofthe words will be used.

Example: He must rely on his parents for money. (synonym for depend)

1. Most people are aware that the supply of fossil fuels in the world is restricted/limited. Fossil fuelswill not last forever!

2. Japan and India have begun to use/employ nuclear energy to provide power for their major cities.3. Solar, wind, and nuclear power are all interesting replacements for fossil fuels, but which one is the

best?

4. There are some groups that do not like solar power. However, supporters/defenders of solar spacestations say this technology just needs more time to get better.

5. Europe leads the world in wind power, with almost 35,000 megawatts, the equal of large coal-powered plants.