The New Way Things Work Test | Final Test - Hard

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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. Upon what numbers are codes in a binary system built?

2. What is it called when levels rise and fall continuously?

3. What makes waves different from molecules?

4. What causes electrons to move?

5. Towards which direction do electrons move on a magnet?

Short Essay Questions

1. What are analog quantities and how are its levels described?

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

3. How does Bill record the binary numbers of the mammoth's physical presence?

4. Briefly describe the binary system.

5. Describe how the author illustrates a chemical reaction.

6. How is static electricity formed?

7. How is artificial light created?

8. What makes it possible to use waves to communicate? How is this done?

9. Discuss sound waves.

10. Briefly discuss the three ways musical instruments create waves.

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Discuss the following:

1) Explain the basic nature of all springs.

2) What are the three purposes of springs? Give an example of how a spring serves each purpose in a tool or machine. Explain how the spring serves the purpose.

3) When is energy stored in a spring? Give an example of this. What releases that energy?

4) Research the history of springs. When were they invented? By whom? Where? How were the first springs made? How are they made today? What materials have they used to make springs in the past? In the present? Are springs still an important item today? Give several examples of tools and/or machines that use springs. Can you explain how the spring functions in each?

5) Do you think a bungee jumper uses one or more principles of springs? Explain your response.

Essay Topic 2

1) Define the term airfoil and state where you are likely to find one of them.

2) What does an airfoil create? How does it do so?

3) What are the two opposing pairs of forces at work in an airplane? Explain how those two forces work together to make a plane fly.

4) Explain how a helicopter differs from an airplane in the way it uses the principles of lift and thrust.

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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