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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 are devices which measure and/or locate a force and/or give feedback?
(a) Detectors and detractors.
(b) Detractors and desensitizers.
(c) Sensors and desensitizers.
(d) Sensors amd detectors.

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

3. What makes waves different from molecules?
(a) Waves vibrate, but matter doesn't.
(b) Only their effects are different.
(c) Waves pass through matter.
(d) Waves are not actually real.

4. The speed of the vibration affects ____________.
(a) The foil.
(b) The pattern.
(c) The density.
(d) The wavelength.

5. Of what is color photography paper made when printing from a negative?
(a) Six color sensitive layers.
(b) One color sensitive layers.
(c) Three color sensitive layers.
(d) A black layer sandwhiched between two color sensitive layers.

Short Answer Questions

1. What are happening to the crates at the opening to Chapter 2 in this section?

2. What happens when visible rays cross the lens of our eye and are bent through the convex surface?

3. When a magnetic field flows from a magnet into metal what is pulled together?

4. What do sensors and detectors measure?

5. How many different ways can waves be created by instruments?

Short Essay Questions

1. Where is the mammoth taken when it feels traumatized and then experiences first joy and then despondency?

2. How is static electricity formed?

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

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

5. Discuss sound waves.

6. What is the input?

7. Describe how the author illustrates a chemical reaction.

8. What topic does Part 5 cover?

9. Define wavelength and frequency.

10. Briefly describe the binary system.

(see the answer keys)

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