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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 7, Brane New World.

Multiple Choice Questions

1. What question does Hawking ask about extraterrestrials?
(a) If they were out there, why would they want to contact us?
(b) If they were smart, why haven't they contacted us?
(c) If they were advanced, why haven't they spread across the galaxy?
(d) If they are real, why haven't we discovered them?

2. What have serious effects on a quantum theory of gravity?
(a) Ground state fluctuations.
(b) Fourth state fluctuations.
(c) Third state fluctuations.
(d) Second state fluctuations.

3. What will create great problems for unimproved humans?
(a) Moralistic contrivances.
(b) Molecular physics.
(c) Genetic engineering.
(d) Genetic malfunctions.

4. What two things are considered capable of shaping space-time, according to Einstein?
(a) Matter and weight.
(b) Gravity and space.
(c) Time and conclusion.
(d) Mass and energy.

5. What were Fat Man and Little Boy dropped on in 1945?
(a) Paris and London.
(b) Hiroshima and Nagasaki.
(c) Honolulu and Maui.
(d) Berlin and Kohn.

Short Answer Questions

1. What is one reason Hawking takes multiple dimensions seriously?

2. How did physicists respond to Hawking and Penrose's work?

3. What kind of nutshell is the most probable shape of a brane world?

4. What popular sci-fi show does Hawking refer to when discussing its differences with humanity in a millennium?

5. What did Einstein assume about scientific laws?

(see the answer key)

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