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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3, The Universe in a Nutshell.

Multiple Choice Questions

1. What does Hawking believe any good scientific theory should be rooted in?
(a) The work of mathematician Karl Popper.
(b) The philosophy of science advanced by Karl Popper.
(c) The philosophy of George Markus.
(d) The scientific work of Isaac Newton.

2. Because galaxies are not far apart, fifteen billion years ago what might have occurred?
(a) A light was turned on.
(b) A solar system was reduced to ten atoms.
(c) A "Big Bang."
(d) An earthquake.

3. Why is it important that the sky is dark?
(a) It demonstrates that the sky is more inclined to darker tones.
(b) It demonstrates that light hasn't reached every point in the universe.
(c) It demonstrates that the dark extends further than the light.
(d) It demonstrates that the universe must have a light switch.

4. How do objects in space-time attempt to move?
(a) In loops.
(b) In straight lines.
(c) In boxes.
(d) In curves.

5. What can we not coherently ask about the way the universe is?
(a) Why the universe is so big.
(b) Why the universe will end.
(c) Why the universe is the way it is.
(d) Why the universe is so small.

Short Answer Questions

1. Who did Einstein encourage to begin nuclear research?

2. What does time have?

3. What did the philosopher Immanuel Kant worry about concerning time and Newton's model?

4. How many galaxies are there?

5. How are galaxies distributed through space?

(see the answer key)

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