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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 occurs when very small atoms smash together?
(a) Nuclear fission.
(b) Nuclear fusion.
(c) Nuclear clarification.
(d) Nuclear inertia.

2. What is the most common form of inclined plane found in machines?
(a) The pully.
(b) The wedge.
(c) The rods.
(d) The rocker.

3. What do sound waves do to molecules?
(a) Pass a vibration through them.
(b) Cause them to explode.
(c) Cause them to implode.
(d) Skirt around them.

4. How does a zipper operate?
(a) It is not a wedge system, but rather a rolling arc system.
(b) Just using triangular wedges.
(c) Just lower curved wedges.
(d) The use of triangular wedges and lower curved wedges.

5. Why can a dog hear a dog whistle that humans cannot?
(a) They can isolate a sound better than humans.
(b) They can hear sound waves at a greater range of frequencies.
(c) They have been trained to listen to that particular frequency.
(d) Their eardrums are larger.

Short Answer Questions

1. The speed of the vibration affects ____________.

2. What turns the crankshaft in an internal combustion engine?

3. What is the formula for work done?

4. What is the action of something burning?

5. What are two things a sail can do for a craft?

(see the answer key)

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