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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9 The Arrow of Time.

Multiple Choice Questions

1. The theory of quantum mechanics best describes what world?
(a) The small world of particles.
(b) The small world of molecules.
(c) The small world of sub-atomic particles.
(d) The small world of atoms.

2. There must be a beginning and an end to the universe if what theory is used?
(a) Singulatiry theory.
(b) Theory of light.
(c) Theory of relativity.
(d) Quantum mechanics.

3. What is the second law of thermodynamics?
(a) In any closed system, disorder increases over time.
(b) In any closed system, the ordering principles stay the same.
(c) In any closed system, disorder decreases over time.
(d) In any closed system, time is relative.

4. How many questions are left unanswered prior to the development of math that incorporates quantum mechanics?
(a) Five.
(b) Three.
(c) Four.
(d) Six.

5. Aristotle and who believed that time is not absolute?
(a) Galileo.
(b) Einstein.
(c) Newton.
(d) Kapal.

Short Answer Questions

1. According to Hawking, when the universe has lost all order, life will be what?

2. Gamma ray detection might be able to be used to detect what?

3. Hawking used what kind of space-time to reach the conclusion that the universe is similar to a sphere?

4. What scientific feat led to the introduction of imaginary time?

5. What does Hawking say math is useful for?

(see the answer key)

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