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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 are signals and messages created out of light and radio waves?
(a) Causing the waves to ocillate at a different hertz.
(b) Interrupting wave patterns.
(c) Coalescing the waves into bundles.
(d) Harnessing the shorts bursts of energy.

2. How does a wedge move an object up an inclined plane?
(a) It lowers the plane so the object slides.
(b) It doesn't ; the wedge moves the plane itself to raise an object.
(c) It uses the effect of gravity.
(d) It forces the object to reduce the effects of gravity.

3. What is additive mixing?
(a) Adding black light to one of the colors of light.
(b) Combining two of the colors that make up light to create a different color.
(c) Mixing all three of the colors of light in different proportions.
(d) Adding more of one of the colors that make up light to black.

4. In what part of the atom does one find electrons?
(a) The outer ring.
(b) The nucleus.
(c) They are not part of an atom.
(d) In both the nucleus and outer rings.

5. What is the transfer of heat through infrared rays?
(a) Heat cannot transfer through infrared rays.
(b) Transmigration.
(c) Thermal radiation.
(d) Convection.

Short Answer Questions

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

2. What pumps refrigerant out in an air conditioner?

3. What is essential for running an autopilot program?

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

5. What happens when you exert your strength across a longer distance?

(see the answer key)

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