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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. If you use Hawking's model of the universe, how did the universe start?
(a) It started with a big bang.
(b) There was no beginning, it has always been there.
(c) It started with the collapse of a black hole in a previous universe.
(d) It started with the evaporation of other universes.

2. What types of numbers can be used to run time backwards?
(a) Negative numbers.
(b) Imaginary numbers.
(c) Complex numbers.
(d) Real numbers.

3. Mathematics is the language of what?
(a) Physics.
(b) How things work in the universe.
(c) Engineers.
(d) Natural sciences.

4. In string theory, the strings have what dimension and no other?
(a) Length.
(b) Height.
(c) Depth.
(d) Width.

5. According to Hawking, when the universe has lost all order, life will be what?
(a) Creative.
(b) Fun.
(c) Impossible.
(d) Non-existent.

Short Answer Questions

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

2. Even empty space is filled with what?

3. What is one question we ask to make sense of the world around us?

4. Using low level radiation to detect black holes is in what stage of research?

5. During World War 1, Einstein was a professor in which city?

Short Essay Questions

1. Hawking concludes that life is only possible during the expansion phase of the universe for what reason?

2. Addressing the question of why the universe exists was once the job of philosophers, but now is not done because of what reason?

3. When you combine the general theory of relativity and quantum mechanics, what does that mean for the universe?

4. What is the estimated concentration of black holes?

5. What does a weak form of the anthropic principle hold for the view of the universe?

6. What is Einstein's general theory of relativity's famous equation?

7. String theory implies what about other dimensions?

8. What is the difference between string theory and the other theories?

9. What are the three possibilities Hawking sees for the unification of physics theory?

10. If quantum mechanics is used, then the universe has always done what?

(see the answer keys)

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