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This quiz consists of 5 multiple choice and 5 short answer questions through Part 6, Chapter 29.

Multiple Choice Questions

1. What organization opposed geologist Clair Patterson and his campaign?
(a) American Petroleum Institute.
(b) Swimming Pool Safety Institute.
(c) American Academy of Pediatrics.
(d) American Dairy Association.

2. According to the Superstring Theory, the components making up protons, neutrons, electrons, and neutrinos are not regular particles, but instead are:
(a) Gravity pockets.
(b) Vibrating strings.
(c) Super particles.
(d) Super-cooled forces.

3. The author states that extinction seems to be:
(a) A natural part of the life cycle.
(b) A rare occurrence on Earth.
(c) Because of natural disasters.
(d) Almost exclusively caused by humans.

4. What is found at the very center of the Earth?
(a) Solid inner core.
(b) Frozen core.
(c) Gaseous core.
(d) Liquid inner core.

5. Today, scientists know that radiation in high doses is:
(a) Safe.
(b) Healthy.
(c) Toxic.
(d) Tolerable.

Short Answer Questions

1. Who was Robert Fitzroy?

2. Sir Isaac Newton wrote "Mathematical Principles of Natural Philosophy," which explains his laws of what?

3. Halley believed that once scientists figured out the distance from the sun to the Earth, they could then calculate what?

4. As of July 2001, approximately how many asteroids had been identified?

5. Which body of water holds more than half of the planet's water?

(see the answer key)

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