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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. In addition to being a seventeenth-century astronomer, Christopher Wren designed:
(a) Cathedrals.
(b) Eyeglasses.
(c) Clothes.
(d) Swords.

2. When was Pluto discovered?
(a) 1957.
(b) 1892.
(c) 1930.
(d) 1876.

3. About how many stars are visible to the naked eye from Earth?
(a) 1,200.
(b) 500.
(c) 6,000.
(d) 9,600.

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

5. How many elements occur naturally on Earth?
(a) 52.
(b) 12.
(c) 92.
(d) 142.

Short Answer Questions

1. In the 1700s, people were finding holes in theories. For example, if the thoughts on erosion were completely correct, then:

2. In a span of just 20 years, the number of known moons in the solar system grew from:

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

4. Most life on Earth is based on what element?

5. What did the French Compte de Buffon claim about the New World (the Americas) compared to the known Old World?

(see the answer key)

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