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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Why is the mammoth at first overjoyed?
(a) He sees his mother.
(b) He finds a field of clover.
(c) He has lots of rich alfalfa to eat.
(d) He thinks there are other mammoths around.

2. What are magnetism, heat, and light in relation to an electron's movement?
(a) Elements that hinder an electron's movement.
(b) The mediums through which electrons can pass.
(c) Elements that enhance an electron's movement.
(d) Elements that an electron's movement can produce.

3. Towards which direction do electrons move on a magnet?
(a) South pole.
(b) They do not move.
(c) North pole.
(d) The balance point between the north and south poles.

4. In the illustration of binary code, what represents the "on" number?
(a) A basketball in a crate.
(b) A pumpkin in a crate.
(c) An empty crate.
(d) A lemon in a crate.

5. What makes it possible to use light and radio waves to communicate?
(a) They oscillate.
(b) They have short bursts of energy.
(c) They travel in patterns.
(d) They coalesce.

Short Answer Questions

1. For what does Bill think the mammoth will return?

2. To what is the mammoth's presence reduced?

3. What are two ways electrical bits can be stored?

4. In the illustration of binary code, what represents the "off" number?

5. What number represents off in binary code?

Short Essay Questions

1. What are electrons? What does their movement create?

2. Discuss sound waves.

3. Define wavelength and frequency.

4. How do liquid crystal displays work?

5. What are sensors and detectors? What do they measure?

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

7. Discuss the three principles which govern the flow of electricity.

8. Discuss the composition of light.

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

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

(see the answer keys)

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