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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Harnassing the Elements, Exploiting Heat, Nuclear Power, pp. 142-173.

Multiple Choice Questions

1. What is an object's weight divided by its volume?
(a) An object's density.
(b) The object's ability to exert force.
(c) The object's constant mass.
(d) An object's elemental number.

2. What is an example of a second-class lever?
(a) A nutcracker.
(b) A crane.
(c) A clock.
(d) An engine block system.

3. What is one component of a lever?
(a) A caliper.
(b) A spring.
(c) A straight edge.
(d) A screw.

4. What does one have to understand in order to understand the way things work?
(a) The underlying principle.
(b) The terms of physics.
(c) The function of something.
(d) The reason something is made.

5. What pumps refrigerant out in an air conditioner?
(a) Oscillator.
(b) A solenoid.
(c) A compressor.
(d) A gear.

Short Answer Questions

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

2. What are different level marks for different types of water on the side of a ship called?

3. How does a ship vary in density?

4. What is the result of a collision of molecules which break on impact forming new and different molecules?

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

(see the answer key)

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