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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. Arranged side by side, how many atoms can fit across the width of a typical human hair?
(a) Half a million.
(b) Half a trillion.
(c) Five thousand.
(d) Five hundred.

2. In 1875, why was Max Planck advised against studying physics and urged to study math instead?
(a) It was believed that all the important physics discoveries had already been made.
(b) A career in math offered greater financial opportunities for him.
(c) The government often arrested those who delved in certain branches of physics.
(d) Planek knew high-level math but only very basic physics.

3. An asteroid strike on Earth would most likely affect the climate for how long?
(a) 500 years.
(b) 10,000 years.
(c) 5 years.
(d) 1 million years.

4. Harry Hess determined that, in the Atlantic, the ocean floor is:
(a) Expanding.
(b) Shrinking.
(c) Super cooled.
(d) Super heated.

5. Quarks are held together by gluons and make up what?
(a) Neutrons and neutrinos.
(b) Electrons and protons.
(c) Protons and neutrons.
(d) Electrons and neutrons.

Short Answer Questions

1. A caldera is a:

2. Astronomer Edmond Halley approached mathematician Sir Isaac Newton to get his help figuring out why planets:

3. The troposphere is the layer of atmosphere:

4. In 2003, NASA came up with an estimated age of the universe. What was it?

5. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:

(see the answer key)

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