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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. The distance light travels in an earth year is called what?
(a) Light time.
(b) Light speed.
(c) Light distance.
(d) A light year.

2. 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 is there a universe?
(d) Why are we here?

3. Who wrote the introduction?
(a) Edwin Hubble.
(b) Carl Sagan.
(c) Max Planck.
(d) Stephen Hawking.

4. The writer of the Introduction hints that time might be able to move in what direction?
(a) Forwards.
(b) A repeat cycle.
(c) Backwards.
(d) Sideways.

5. Groups of atoms create what?
(a) Protons.
(b) Electrons.
(c) Empty space.
(d) Matter.

Short Answer Questions

1. A black hole has zero what?

2. What shape did Aristotle think the Earth was?

3. From what location was the Introduction written?

4. Why did the Christian church adopt Ptolemy's view of the universe?

5. Hawking is what type of physicist?

(see the answer key)

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