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

2. How many ways can heat travel?
(a) Two.
(b) Four.
(c) One.
(d) Three.

3. What is one thing an electrical current can measure?
(a) Opacity.
(b) Frequency.
(c) Density.
(d) Particles in the air.

4. What occurs when molecules begin vibrating in a solid, then speed up their vibration when heated?
(a) Conduction.
(b) Radiation.
(c) Internal combustion.
(d) Solid combustion.

5. What is essential for running an autopilot program?
(a) The right semiconductor.
(b) Feedback.
(c) A positive electrical charge.
(d) The correct electrical charge.

Short Answer Questions

1. What does RADAR use?

2. What is the factor which determines an object's ability to float?

3. How does a rocket engine power the craft?

4. What is one step in creating liquid crystal displays?

5. What is the principle behind the action of any machine?

(see the answer key)

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