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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 is the effort you put in combined with the distance over which the effort is done?
(a) Gravity.
(b) Rest.
(c) Work.
(d) Mendal's law.

2. What is created when heating an object to the point that it burns or glows, or by passing an electric current through a vapor or gas?
(a) Sounds at higher than average frequencies.
(b) Sounds at lower than average frequencies.
(c) Artificial light.
(d) A chemical reaction.

3. 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.

4. What emits both infrared and light rays?
(a) The sun.
(b) The moon.
(c) A light bulb.
(d) A planet.

5. Through what can heat not travel?
(a) A vacuum.
(b) Very dense elements.
(c) There is nothing through which heat cannot travel.
(d) Very porous elements.

Short Answer Questions

1. What controls direction on a ship?

2. What do sound waves do to molecules?

3. What is additive mixing?

4. In flying, what is used to overcome weight from gravity?

5. What happens if the edges of the two wheels touch?

(see the answer key)

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