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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 2 Space and Time.

Multiple Choice Questions

1. For satellites orbiting the earth, time does what in relation to the ground of the earth?
(a) Remains the same.
(b) Slows down.
(c) Speeds up.
(d) Runs almost at the same pace.

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

3. Scientists start their understanding of the universe with what?
(a) Observations and mathematics.
(b) Mathematics.
(c) Observations.
(d) A theory.

4. Who brought forth the idea that the earth and planets revolve around the sun?
(a) Galileo.
(b) Copernicus.
(c) Aristotle.
(d) Ptolemy.

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

Short Answer Questions

1. Light moves along what sort of lines?

2. What shape did Aristotle think the Earth was?

3. Who created the law of motion?

4. What question is among the unanswerable questions children ask, according to the Introduction?

5. The universe has how many dimensions?

(see the answer key)

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