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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 does the frequency of sound waves create?
(a) A physical vibration.
(b) A tympanum.
(c) A pattern.
(d) A foil.

2. What do compound levers contain?
(a) No fulcrum but two points of force and two of load.
(b) Two fulcrums and one point of force and load.
(c) Two fulcrums and two points of force and two of load.
(d) A single fulcrum and two points of force and two of load.

3. What is the density of salt water compared to fresh water?
(a) Fresh water is denser.
(b) Salt water is denser.
(c) They have the same density.
(d) It depends on their electrical charge.

4. What is convection?
(a) When heat increases velocity.
(b) The way a molecule radiates heat.
(c) Heat moving from a liquid or gas molecule to another.
(d) When heat causes wind.

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

Short Answer Questions

1. What occurs when very small atoms smash together?

2. What is frequency?

3. How many type of waves are discussed by Macaulay?

4. What is another type of wedge the author mentions?

5. What do the double walls of a thermos enclose?

(see the answer key)

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