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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. How far away is our sun from the earth in terms of light?
(a) 8 light months.
(b) 9 light months.
(c) 8 light minutes.
(d) 9 light minutes.

2. Aristotle and who believed that time is not absolute?
(a) Kapal.
(b) Newton.
(c) Galileo.
(d) Einstein.

3. Scientists try to create explanations for the way the universe works that always do what?
(a) Are developed in think tanks.
(b) Are simple and easy to understand.
(c) Work mathematically.
(d) Are complex.

4. Who proposed the elliptical orbits of the planets?
(a) Kepler.
(b) Einstein.
(c) Galileo.
(d) Newton.

5. What question is among the unanswerable questions children ask, according to the Introduction?
(a) Why does time only go in one direction?
(b) What happens when we die?
(c) Why are we here?
(d) Why is there a universe?

Short Answer Questions

1. Stephen Hawking has what disease?

2. In what year did Stephen Hawking enter the Royal Society of London?

3. As an observer's velocity comes close to the speed of light, the observer's mass does what?

4. Hawking co-authored a paper in what year that explains the big bang theory?

5. In what year did Edwin Hubble discover galaxies outside of our own?

(see the answer key)

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