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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 are large fins which adjust their tilt to compensate for waves?
(a) Rotaries.
(b) Fans.
(c) Stabilizers.
(d) Screws.

2. In which direction do electrons always travel?
(a) From negative to positive.
(b) From magnetic north to magnetic south.
(c) From true north to magnetic north.
(d) From positive to negative.

3. What principle does a thermostat use?
(a) The third principle of thermonectics.
(b) The principle of entropy.
(c) The law of electronic fission.
(d) The principle that heat causes expansion.

4. What are small propellers mounted in the base of a ship's hull?
(a) Rudders.
(b) Stablizers.
(c) Thrusters.
(d) Tillers.

5. What urges do molecules possess?
(a) The urge to huddle together or spread apart.
(b) None.
(c) Only the urge to huddle together.
(d) Only the urge to spread apart.

Short Answer Questions

1. In how many elements did the Greek believe?

2. What is essential for running an autopilot program?

3. What additional tasks can a boat with two triangular sails do?

4. What is an absence of substance?

5. What causes expansion?

(see the answer key)

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