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This quiz consists of 5 multiple choice and 5 short answer questions through Part Four: Electricity and Automation.

Multiple Choice Questions

1. What is the meaning of the acronym LASER?
(a) Light Amplification by Stimulated Emission of Radiation.
(b) Lesser Amplifications of Stimulated Emission of Radiation.
(c) Light Applied by Stimulated Emission of Radiation.
(d) Light Amplification by Situatued Emissions of Radar.

2. What does increasing heat do to molecules?
(a) It makes them break apart.
(b) It increases the movement of molecules.
(c) Nothing.
(d) It slows them down.

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

4. How is electricity created?
(a) From the movement of quarks.
(b) From the movement of quantums.
(c) From the movement of protons.
(d) From the movement of electrons.

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

Short Answer Questions

1. What does a driving force initiate?

2. Through what can heat not travel?

3. What is a substance that contains only one type of atom?

4. What does RADAR use?

5. What is convection?

(see the answer key)

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