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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 number represents off in binary code?
(a) 0.
(b) 2.
(c) -1.
(d) 9.

2. What is essential for running an autopilot program?
(a) A positive electrical charge.
(b) Feedback.
(c) The correct electrical charge.
(d) The right semiconductor.

3. What does the frequency of sound waves create?
(a) A foil.
(b) A pattern.
(c) A tympanum.
(d) A physical vibration.

4. How many type of waves are discussed by Macaulay?
(a) Two.
(b) Five.
(c) Three.
(d) One.

5. What is additive mixing?
(a) Adding black light to one of the colors of light.
(b) Adding more of one of the colors that make up light to black.
(c) Combining two of the colors that make up light to create a different color.
(d) Mixing all three of the colors of light in different proportions.

Short Answer Questions

1. What does RADAR use?

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

3. What are heat, light, and sound?

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

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

Short Essay Questions

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

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

3. What topic does Part 5 cover?

4. What is current electricity? What is required to generate it?

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

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

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

8. Discuss the composition of light.

9. Explain how electromagnets keep machines running.

10. Who is the last mammoth?

(see the answer keys)

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