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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, Protecting the Past.

Multiple Choice Questions

1. What is vacuum energy's force inverse to?
(a) Weight.
(b) Mass.
(c) Force.
(d) Acceleration.

2. What can one not curve space without also curving?
(a) Functions.
(b) Time.
(c) Spacetime.
(d) Gravity.

3. What paradox does time travel generate?
(a) The snooze button paradox.
(b) The light year paradox.
(c) The grandmother paradox.
(d) The grandfather paradox.

4. How does Hawking state particle states be represented?
(a) With light functions.
(b) With bell curves.
(c) With satellite functions.
(d) With wave functions.

5. What was discovered in the 1970s that revealed a natural physical mechanism?
(a) A new sort of plane.
(b) A new sort of planck.
(c) A new sort of timewarp.
(d) A new sort of symmetry.

Short Answer Questions

1. What sort of lengths do P-branes have?

2. If there is a low amount of matter in the universe what will happen?

3. How are galaxies distributed through space?

4. Who later showed that general relativity implied the Big Bang?

5. What kind of philosophy do black holes have?

(see the answer key)

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