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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. What does the acronym SONAR stand for?
(a) Sound Navigation and Ranging.
(b) Sounds Near and Ranging.
(c) Situations in Navigation and Retreiving.
(d) Somatic Navigation of Radar.

2. What responds to the smoke/no smoke pattern?
(a) A smoke alarm.
(b) A group of tangerines.
(c) A barrage of apples/no apples.
(d) A barrage of pears/no pears.

3. How are positive and negative electrons similar to positive and negative poles?
(a) They both contain a neutral charge.
(b) The both attract the opposite.
(c) There are no similarities.
(d) They both contain anodized matter.

4. What happens to the charge of an electron in a static electricity situation?
(a) The charge oscillates between negative and neutral.
(b) The charge reverses.
(c) The charge becomes neutral.
(d) The charge oscillates between positive and neutral.

5. How many different ways can waves be created by instruments?
(a) An infinite number.
(b) One.
(c) Three.
(d) Two.

Short Answer Questions

1. In the illustration of how electricity is generated by a chemical reaction, what is the end result of the illustration?

2. What does RADAR use?

3. What is one step in creating liquid crystal displays?

4. What is it called when filters block out all the rays except ones vibrating in a chosen field?

5. What charge do untouched electrons carry?

Short Essay Questions

1. Discuss the two types of lens, concave and convex.

2. Who is the last mammoth?

3. How do liquid crystal displays work?

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

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

6. What topic does Part 5 cover?

7. Explain how electromagnets keep machines running.

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

9. What is the input?

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

(see the answer keys)

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