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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 machines that keep something cool do to heat?
(a) Remove it.
(b) Exchange it with cold material.
(c) Cause a change in velocity.
(d) Transpose it.

2. How many ways can heat travel?
(a) Three.
(b) Two.
(c) One.
(d) Four.

3. As the frequency speed increases, what happens to the pitch?
(a) Frequency has no effect on pitch.
(b) It dissipates.
(c) It gets lower.
(d) It gets higher.

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

5. What does a convex lens do?
(a) Causes an image to flatten.
(b) Creates a larger image of a smaller one.
(c) Causes an image to appear three dimensional.
(d) Creates a smaller image of a larger image.

Short Answer Questions

1. What is the principle that states energy is neither created nor destroyed?

2. What is the meaning of the acronym LASER?

3. What is white light?

4. What is an absence of substance?

5. What happens when you exert your strength across a longer distance?

(see the answer key)

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