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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. How does a ship vary in density?
(a) According to how long it takes to get underway.
(b) According to its load.
(c) According to how much water is on board.
(d) According to the speed it is making.

2. What occurs when very small atoms smash together?
(a) Nuclear fusion.
(b) Nuclear inertia.
(c) Nuclear clarification.
(d) Nuclear fission.

3. What is one phenomenon a measurement of force measures?
(a) Pull pressure.
(b) Earthquakes.
(c) Push pressure.
(d) Vise pressure.

4. What additional tasks can a boat with two triangular sails do?
(a) Multiply the suction force by three.
(b) Achieve one additional suction force.
(c) Achieve two additional suction forces.
(d) Divide the suction force.

5. What charge do untouched electrons carry?
(a) It varies.
(b) Neutral.
(c) Positive.
(d) Negative.

Short Answer Questions

1. What does the acronym SONAR stand for?

2. What are magnetism, heat, and light in relation to an electron's movement?

3. In how many elements did the Greek believe?

4. What are two things that can happen to light rays?

5. What two elements combine to make a body scanner?

(see the answer key)

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