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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 controls the movement in a gear system?
(a) The size of the gear.
(b) The size of the belt.
(c) The inertia needed to be overcome.
(d) The rotation of the gear.

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

3. How many forces hold things together?
(a) Four.
(b) Two.
(c) One.
(d) Three.

4. What is additive mixing?
(a) Combining two of the colors that make up light to create a different color.
(b) Adding more of one of the colors that make up light to black.
(c) Mixing all three of the colors of light in different proportions.
(d) Adding black light to one of the colors of light.

5. What does the inclined plane do?
(a) Decreases gravitational force.
(b) Decreases effort.
(c) Extends the distance to a rise.
(d) Increases effort.

Short Answer Questions

1. What are small propellers mounted in the base of a ship's hull?

2. What is one example the author uses of a wedge?

3. What does the picture of a mammoth pulling a merry-go-round illustrate?

4. What is an absence of substance?

5. What is applied to a lever to make it move?

(see the answer key)

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