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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Chapter 5.

Multiple Choice Questions

1. How far away is Proxima Centauri from Earth?
(a) 390 million times farther than Venus.
(b) 100 million times farther than our moon.
(c) 700 million times farther than Mars.
(d) 120 million times farther than our sun.

2. In the 1700s, people were finding holes in theories. For example, if the thoughts on erosion were completely correct, then:
(a) Icebergs would have eroded long ago.
(b) There would be no mountains, only smooth hills.
(c) Sand would be ground to fine powder.
(d) All farmland would have been washed away.

3. Pluto is the first planet to be discovered by an:
(a) Australian.
(b) American.
(c) Austrian.
(d) Argentine.

4. Astronomer Edmond Halley approached mathematician Sir Isaac Newton to get his help figuring out why planets:
(a) Are round.
(b) Vary in size.
(c) Spin on their axes.
(d) Orbit the sun in ellipses.

5. In a span of just 20 years, the number of known moons in the solar system grew from:
(a) 12 to more than 300.
(b) 30 to more than 90.
(c) 10 to more than 25.
(d) 60 to more than 500.

Short Answer Questions

1. About how many stars can be seen from Earth using a two-inch telescope?

2. James Hutton was a geologist who wondered why:

3. James Hutton believed that the natural forces forming the geology of Earth are:

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

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

(see the answer key)

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