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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

1. How are signals and messages created out of light and radio waves?

2. What is white light?

3. Of what is color photography paper made when printing from a negative?

4. What is one phenomenon a measurement of force measures?

5. How can bits be saved on tapes?

Short Essay Questions

1. Describe how the author illustrates a chemical reaction.

2. How is magnetism caused?

3. Describe some types of memory.

4. Discuss sound waves.

5. What are bar codes?

6. How do some frequencies of electromagnetic wavers appear to our eyes? Which waves can we not see?

7. Who is the last mammoth?

8. What is a CPU and how is it illustrated by Macaulay?

9. Define the two types of waves that are discussed.

10. What are the effects of electrons on the move?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

1) Fully explain the principle(s) upon which the lever works.

2) Archimedes is credited with saying, "Give me a place to stand on, and I will move the Earth." This statement was made in reference to his work with levers. Discuss fully, based upon your understanding of levers in The New Way Things Work, what you think Archimedes means.

3) Research the history of levers and write an informative essay about what you have learned. Include a discussion of the way three different levers work.

Essay Topic 2

Discuss the following:

1) Which is easier: To pull something down or to pull it up? Why? What is the relevance of this question to the concept of pulleys?

2) Discuss the various types of pulleys, giving examples of each type.

3) Research the history of pulleys and write an informative essay on what you find. Consider the following questions: When were they invented? By whom? Where? How were the first pulleys made? How are they made today? What materials have they used to make pulleys in the past? In the present? Are pulleys still an important tool today?

Essay Topic 3

Discuss the following:

1) Define nuclear fission.

2) Define nuclear fusion.

3) Describe how nuclear power is produced inside a reactor.

4) What is a chain reaction and how is the principle of a chain reaction important in producing nuclear power?

5) How can the principle of a chain reaction be dangerous? Research and see if there have been any instances when a nuclear chain reaction was not controlled and the consequences of such an event.

(see the answer keys)

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