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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Exploiting Heat, Nuclear Power, pp. 142-173.

Multiple Choice Questions

1. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Combustion.
(b) Fission.
(c) Fusion.
(d) Radiation.

2. What does one have to understand in order to understand the way things work?
(a) The terms of physics.
(b) The reason something is made.
(c) The function of something.
(d) The underlying principle.

3. How many ways can heat travel?
(a) Three.
(b) Four.
(c) One.
(d) Two.

4. What is the transfer of heat through infrared rays?
(a) Thermal radiation.
(b) Heat cannot transfer through infrared rays.
(c) Transmigration.
(d) Convection.

5. What controls direction on a ship?
(a) A screw.
(b) A drive.
(c) A valve.
(d) A rudder.

Short Answer Questions

1. What emits both infrared and light rays?

2. Upon how many major principles do propellers and rudders work?

3. What debris does a nuclear explosion create?

4. Where are wheels and axles found?

5. What is convection?

(see the answer key)

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