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

Multiple Choice Questions

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

2. Edwin Hubble's observation that the universe is expanding supports what theory?
(a) The Dark Bang theory.
(b) The Dark Matter theory.
(c) The Universe Expansion theory.
(d) The Big Bang theory.

3. Who brought forth the idea that the earth and planets revolve around the sun?
(a) Aristotle.
(b) Ptolemy.
(c) Copernicus.
(d) Galileo.

4. Galileo found the moons of what planet using his telescope?
(a) Neptune.
(b) Jupiter.
(c) Saturn.
(d) Mars.

5. If there is a grand unified theory, according to Hawking it would be the ultimate triumph of what?
(a) Human philosophy.
(b) Physics.
(c) Science.
(d) Human reason.

Short Answer Questions

1. If Hawking's model of the universe is used, black holes do what with their matter?

2. The laws of science that govern the behavior of matter under all normal situations say that under the combination of the two operations C and P, what happens?

3. To observe black holes you must observe what?

4. Groups of atoms create what?

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

(see the answer key)

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