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This quiz consists of 5 multiple choice and 5 short answer questions through Part 4, Chapter 13.

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) Five thousand.
(c) Five hundred.
(d) Half a trillion.

2. What is a supernova?
(a) A red giant.
(b) A young, emerging star.
(c) A dying star.
(d) A white dwarf.

3. 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) Position of Mars.
(d) Size of solar flares.

4. According to the Caltech physicist Richard Feynman, the most important discovery ever made is what?
(a) Electricity.
(b) Pasteurization.
(c) Penicillin.
(d) Atoms.

5. Atoms are made up of smaller particles, including:
(a) Bytes.
(b) Molecules.
(c) Quarks.
(d) Cells.

Short Answer Questions

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

2. What components were central to the apparatus that Henry Cavendish used to determine the density of Earth?

3. Harry Hess determined that, in the Atlantic, the ocean floor is:

4. Who suggested that mass and energy are actually the same thing?

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

(see the answer key)

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