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

2. What is the formula for work done?
(a) Effort times gravitational force.
(b) Distance divided by strength.
(c) Effort multiplied by distance.
(d) Distance plus effort.

3. What is one step in creating liquid crystal displays?
(a) Polarizing the light.
(b) Filtering the light for reds.
(c) Bending the light to forty-five degree angles.
(d) Filtering the light for greens.

4. What is a fulcrum?
(a) A pivot point.
(b) A point at which inertia is overcome.
(c) A formula for determining energy needed to do work.
(d) A special sort of wedge.

5. How does heat travel through heating elements?
(a) Radiation.
(b) Conduction and convection.
(c) Through inertia.
(d) In groups of molecules.

Short Answer Questions

1. Under what situation does the eye perceive a reflection of light?

2. How many ways can heat travel?

3. What do the double walls of a thermos enclose?

4. What is the transfer of heat through infrared rays?

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

(see the answer key)

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