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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 writer of the Introduction hints that time might be able to move in what direction?
(a) Backwards.
(b) Sideways.
(c) A repeat cycle.
(d) Forwards.

2. Unlike children, scientists and philosophers, most adults use what to explain away the fundamental questions of the universe?
(a) Dreams.
(b) Logic.
(c) Religion.
(d) Common sense.

3. What is the fate of black holes according to Hawking's model of the universe?
(a) They will start their own universes.
(b) They will explode.
(c) They will collapse.
(d) They will evaporate.

4. What is one of the colors of quarks?
(a) Red.
(b) Yellow.
(c) Purple.
(d) White.

5. What does the letter C stand for in combinations of operations?
(a) Changing matter particles for virtual particles.
(b) Changing particles for antiparticles.
(c) Changing positive particles for negative particles.
(d) Changing heavy particles for light particles.

Short Answer Questions

1. What does a particle with 0 spin look like?

2. How many questions are left unanswered prior to the development of math that incorporates quantum mechanics?

3. What is one thing particles do when they enter a black hole?

4. Edwin Hubble's observation that the universe is expanding supports what theory?

5. Aristotle and who believed that time is not absolute?

(see the answer key)

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