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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. What does the frequency of sound waves create?

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

3. In the illustration of binary code, what represents the "on" number?

4. How many methods of modern printing are there?

5. What number represents on in binary code?

Short Essay Questions

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

2. How is magnetism caused?

3. How is artificial light created?

4. Define wavelength and frequency.

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

6. Briefly describe the binary system.

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

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

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

10. What is the input?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Discuss the following:

1) Define the Principle of Action and Reaction and the Principle of Suction.

2) How is the Principle of Action and Reaction related to a propeller? Explain with examples.

3) How is the principle of suction related to propellers? Explain with examples.

4) How does a sailboat use the principle of suction? How does a sailboat with two triangular sails differ from a sailboat with only one triangular sail with regards to the principle of suction?

5) Do you think the principle of suction applies to using a straw to drink? Explain your response.

Essay Topic 2

Discuss the following:

1) How does Macaulay use the term wheel and axle?

2) How is the wheel and axle related to a screwdriver? To the Hand Drill? A wrench?

3) Do you think the wheel and axle discussed in The New Way Things Work is an important invention? Why or why not.

4) Research the history of the screwdriver. When was it invented? By whom? Where? How were the first screwdrivers made? How are they made today?

Essay Topic 3

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.

(see the answer keys)

This section contains 737 words (approx. 3 pages at 300 words per page) View a FREE sample