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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 is suction referred to in the act of flying?
(a) Floating.
(b) Lift.
(c) Sinking.
(d) Glide.

2. What is the transfer of heat through infrared rays?
(a) Thermal radiation.
(b) Transmigration.
(c) Convection.
(d) Heat cannot transfer through infrared rays.

3. Upon what principle does a pulley work?
(a) It is easier to pull something down rather than up.
(b) It is easier to overcome gravity than force.
(c) The amount of work required is halved by the amount of effort.
(d) The rotation of one gear pulls the other.

4. Why is cold water denser than warm water?
(a) Cold water's molecules move around more loosely.
(b) Warm water's molecules move around more loosely.
(c) Cold water has a greater ability to coalesce.
(d) Warm water has a greater ability to absorb force.

5. What is electricity flowing through a wire?
(a) Current.
(b) Resistance.
(c) Watts.
(d) Ohms.

Short Answer Questions

1. What is the main idea in Part 2 of the book?

2. What debris does a nuclear explosion create?

3. The rack and pinion is an example of ______________.

4. What is the effort you put in combined with the distance over which the effort is done?

5. What is one component of a lever?

(see the answer key)

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