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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. According to Einstein's theories, what is the nature of space?
(a) It is a flat plane.
(b) It has missing points.
(c) It is a straight line.
(d) It curves.

2. Our universe is at least how many light-years wide?
(a) 350 trillion.
(b) 100 billion.
(c) 50 million trillions.
(d) 5 trillion.

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

4. While he worked at General Motors Research Corporation in 1921, engineer Thomas Midgley, Jr. developed what dangerous gasoline additive?
(a) Combustion catalyst.
(b) Hydrochloric acid.
(c) Isopropyl alcohol.
(d) Tetraethyl lead.

5. What components were central to the apparatus that Henry Cavendish used to determine the density of Earth?
(a) A burner, gases, and switches.
(b) Chutes and slides.
(c) Weights, counter-weights, and pendulums.
(d) Boiling water, a tub, and a barrel.

Short Answer Questions

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

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

3. In 1875, why was Max Planck advised against studying physics and urged to study math instead?

4. Which of the following is not part of an atom?

5. James Hutton was a geologist who wondered why:

(see the answer key)

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