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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 20.

Multiple Choice Questions

1. When did the last supervolcano erupt on Earth?
(a) 74,000 years ago.
(b) 23,000 years ago.
(c) 1,100 years ago.
(d) 9,000 years ago.

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

3. Tired of climbing hills to study clouds, C. T. R. Wilson invented what?
(a) Balloon-propelled cloud camera.
(b) Cloud telescope.
(c) Cloud simulation computer program.
(d) Indoor cloud chamber.

4. Who postponed his honeymoon in order to write a scientific paper about the movements of electrons?
(a) Albert Einstein.
(b) Ernest Rutherford.
(c) James Chadwick.
(d) Niels Bohr.

5. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:
(a) Distance to the moon.
(b) Transits of Venus.
(c) Size of solar flares.
(d) Position of Mars.

Short Answer Questions

1. What percentage of the human body consists of water?

2. By volume, how much of the Earth's habitable space is covered by water?

3. Our universe is at least how many light-years wide?

4. What is a supernova?

5. The British astronomer Martin Rees hypothesizes that there could be an infinite number of what?

(see the answer key)

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