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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Working with Waves.

Multiple Choice Questions

1. What are two things that can happen to light rays?
(a) They can be reflected or absorbed.
(b) They can be destroyed by gamma rays.
(c) They can be dissolved.
(d) They can be dissipated.

2. What principle does a thermostat use?
(a) The principle of entropy.
(b) The law of electronic fission.
(c) The principle that heat causes expansion.
(d) The third principle of thermonectics.

3. What is another type of wedge the author mentions?
(a) The sharp tapered edge of axes.
(b) The caliper.
(c) The gate latch.
(d) The inversion ring.

4. What is suction referred to in the act of flying?
(a) Lift.
(b) Floating.
(c) Sinking.
(d) Glide.

5. Under normal circumstances, what force(s) does a molecule possess?
(a) The force to overcome inertia.
(b) The force of energy times matter.
(c) The force of electron splitting.
(d) An attracting force and a repelling force.

Short Answer Questions

1. How does a rocket engine power the craft?

2. What is one example the author uses of a wedge?

3. As the frequency speed increases, what happens to the pitch?

4. What is applied to a lever to make it move?

5. What causes sideways movements of a ship?

(see the answer key)

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