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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 11 Conclusion.

Multiple Choice Questions

1. The universe has how many dimensions?
(a) Four.
(b) Two.
(c) Three.
(d) Five.

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

3. Gravitational force is always what?
(a) Attractive.
(b) Repulsive.
(c) Negated by other forces.
(d) Present.

4. Heisenberg and Erwin Shrodinger developed what reformulation of standard mechanics?
(a) Quantum mechanics.
(b) Atomic mechanics.
(c) Relativity mechanics.
(d) Theoretical mechanics.

5. What is the purpose of an arrow of time?
(a) To indicate how fast time moves.
(b) To give direction to time.
(c) To indicate how far time must move.
(d) To indicate how much time has passed.

Short Answer Questions

1. Why did the universe not collapse back on itself shortly after the big bang?

2. In what year did Edwin Hubble discover galaxies outside of our own?

3. Aristotle thought that the Earth was what?

4. What shape did Aristotle think the Earth was?

5. What is one of Hawking's three possibilities for the unification of physics theory?

(see the answer key)

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