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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. How does heat travel through heating elements?
(a) In groups of molecules.
(b) Radiation.
(c) Through inertia.
(d) Conduction and convection.

2. What do machines that keep something cool do to heat?
(a) Cause a change in velocity.
(b) Remove it.
(c) Transpose it.
(d) Exchange it with cold material.

3. What is the meaning of the acronym LASER?
(a) Lesser Amplifications of Stimulated Emission of Radiation.
(b) Light Amplification by Stimulated Emission of Radiation.
(c) Light Amplification by Situatued Emissions of Radar.
(d) Light Applied by Stimulated Emission of Radiation.

4. How does a rocket engine power the craft?
(a) By the combustion of one propellant.
(b) By the combustion of two propellants.
(c) By nuclear fusion.
(d) By the turning of a propeller.

5. What are small propellers mounted in the base of a ship's hull?
(a) Tillers.
(b) Rudders.
(c) Thrusters.
(d) Stablizers.

Short Answer Questions

1. What controls the movement in a gear system?

2. What do compound levers contain?

3. Why does a thermos lose heat?

4. How many forces hold things together?

5. What is convection?

(see the answer key)

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