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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 do the double walls of a thermos enclose?
(a) Nitrogen.
(b) Argon.
(c) A vacuum.
(d) Oxygen.

2. What happens if the edges of the two wheels touch?
(a) The rotation of one will cause the other to rotate.
(b) Nothing unless they have cams.
(c) The one wheel will wear out faster than the other.
(d) The one will stop the other wheel.

3. How do mirrors reflect an image?
(a) Without distortion.
(b) As if it were a concave lens.
(c) As if it were a convex lens.
(d) Inversed.

4. What happens when an object is placed in water?
(a) The object sinks.
(b) The object absorbs the water's atoms.
(c) The water is repelled by the electrical force of the object.
(d) The water molecules push against the object.

5. What is any engine that burns fuel inside the engine?
(a) Nuclear fusion engine.
(b) Thermodynamic engine.
(c) Steam engine.
(d) Internal combustion engine.

Short Answer Questions

1. What is the resistance of an object to any change in its speed or direction?

2. What is additive mixing?

3. What is an example of a second-class lever?

4. What does the Mechanics of Movement explore?

5. What does the frequency of sound waves create?

(see the answer key)

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