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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5: The Digital Domain and The Last Mammoth.

Multiple Choice Questions

1. In which direction do electrons always travel?
(a) From positive to negative.
(b) From magnetic north to magnetic south.
(c) From negative to positive.
(d) From true north to magnetic north.

2. What does the picture of a mammoth pulling a merry-go-round illustrate?
(a) Gears and belts.
(b) Levers.
(c) Wedges.
(d) Blocks and tackles.

3. What is it called when filters block out all the rays except ones vibrating in a chosen field?
(a) UV absorbtion.
(b) Optimization.
(c) Inversion.
(d) Polarization.

4. What is the result of a collision of molecules which break on impact forming new and different molecules?
(a) Combustion.
(b) Fusion.
(c) Fission.
(d) Radiation.

5. What parts of ROM memory can be changed?
(a) None.
(b) The binary code.
(c) The upper chip layers.
(d) The lower chip layers.

Short Answer Questions

1. How does a ship vary in density?

2. What is one example the author uses of a wedge?

3. What is an example of a second-class lever?

4. What are the effects of electricity?

5. The rack and pinion is an example of ______________.

(see the answer key)

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