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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 action of something burning?
(a) Combustion.
(b) Convection.
(c) Molecular deceleration.
(d) Radiation.

2. How does floating harness the power obtained by squeezing or stretching molecules?
(a) By gathering the individual electrons that are released.
(b) By energy "floating" through atomic fields and breaking the bonds to release energy.
(c) By squeezing an atom to split the proton and neutron.
(d) Through the form of upthrust.

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

4. What is the principle behind the action of any machine?
(a) The amount of energy it expends.
(b) The amount of energy it saves.
(c) The type of energy it takes to make the machine work.
(d) The conservation of energy.

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

Short Answer Questions

1. What happens when visible rays cross the lens of our eye and are bent through the convex surface?

2. What is electricity flowing through a wire?

3. How does heat travel through heating elements?

4. What causes sideways movements of a ship?

5. What happens when molecules are squeezed or stretched beyond the boundaries of their comfortable balance?

(see the answer key)

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