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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 do sensors and detectors measure?
(a) Only light rays.
(b) Only electrical currents.
(c) Electrical currents, rays, and waves.
(d) Only electrical waves.

2. What does the acronym SONAR stand for?
(a) Somatic Navigation of Radar.
(b) Sound Navigation and Ranging.
(c) Situations in Navigation and Retreiving.
(d) Sounds Near and Ranging.

3. What principle is in use as a propeller pushes the water back and as that same water which has been pushed back rolls forward again and hits the propeller?
(a) The Principle of Push and Thrust.
(b) The Principle of Gravity.
(c) The Principle of Action and Reaction.
(d) The Principle of Force and Inertia.

4. What causes increased heat in the process of conduction?
(a) Fission.
(b) Electronic transfers.
(c) Fusion.
(d) Increased movement.

5. What is an absence of substance?
(a) Gravity.
(b) Matter.
(c) A vacuum.
(d) Outer space.

Short Answer Questions

1. What is the term for the process of molecules moving further apart in convection?

2. What is one thing an electrical current can measure?

3. What is convection?

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

5. What charge do untouched electrons carry?

(see the answer key)

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