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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3 The Expanding Universe.

Multiple Choice Questions

1. Who created the relativity formula that states energy equals mass multiplied by the speed of light squared?
(a) Aristotle.
(b) Einstein.
(c) Newton.
(d) Galileo.

2. How does Hawking define scientific theory?
(a) A model of the universe that meets common sense expectations.
(b) A model of the universe made up of molecules.
(c) A model of the universe with a set of rules.
(d) A model of the universe that predicts some events, but isn't accurate.

3. What travels at the speed of 186,000 miles per second?
(a) Light.
(b) Waves.
(c) Electrons.
(d) Sound.

4. The idea of the big bang arises from what phenomena?
(a) The theory of light.
(b) The theory of relativity.
(c) The decreasing universe.
(d) The expanding universe.

5. From what location was the Introduction written?
(a) Ithaca, NJ
(b) Ithaca, CA
(c) Ithaca, AZ
(d) Ithaca, NY

Short Answer Questions

1. Galileo found the moons of what planet using his telescope?

2. Who proposed the elliptical orbits of the planets?

3. Scientists try to create explanations for the way the universe works that always do what?

4. Who discovered the theory of gravity?

5. How close is the closest star, other than the sun, to earth?

(see the answer key)

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