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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. How did the universe initially expand?
(a) Rapidly and then more slowly.
(b) Fully and then not at all.
(c) Markedly slow.
(d) Increasingly quick.

2. What sort of lengths do P-branes have?
(a) Horizonal lengths.
(b) Directional lengths.
(c) Vertical lengths.
(d) Circular lengths.

3. What does general relativity combine time with space to form?
(a) Two-dimensional planes.
(b) Three-dimensional physics.
(c) Four-dimensional space-time.
(d) Five-dimensional warp speed.

4. What does Hawking believe the possibility of intelligent beings depends on?
(a) The amount of space in the universe.
(b) The amount of thought in the universe.
(c) The amount of matter in the universe.
(d) The amount of time in the universe.

5. How many galaxies are there?
(a) One hundred thousand.
(b) Billions and billions.
(c) Two trillion.
(d) Five million.

Short Answer Questions

1. How were people's views of space-time changed because of Einstein's work?

2. What was the twentieth century's other complete conceptual revolution?

3. What can one not curve space without also curving?

4. What have serious effects on a quantum theory of gravity?

5. What two things are considered capable of shaping space-time, according to Einstein?

(see the answer key)

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