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This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

1. The only constant in the universe is what?

2. What question is among the unanswerable questions children ask, according to the Introduction?

3. All the particles in the universe are what type of spin?

4. Stars without enough mass to become a black hole can become what?

5. Stephen Hawking has what disease?

Short Essay Questions

1. What is one way that scientists determine that subatomic particles exist?

2. What model of the atom persisted until the 1960's?

3. According to Carl Sagan, what prompts children to ask seemingly unanswerable questions?

4. What are quanta?

5. What determines whether a star can become a black hole?

6. What is the difference between the Aristotelian approach to science and Galileo's approach?

7. How did Einstein observe Brownian motion?

8. What happens at the event horizon of a black hole?

9. The mathematical formulas that result from a scientific model of the universe must do what?

10. Light behaves in which two manners?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

Hawking often compares and contrasts science and God. Using examples from the text: What is the purpose of comparing and contrasting science and God?

Essay Topic 2

Hawking states that without science there can be no prediction and without predictive ability time is meaningless (Chapter 1). What does Hawking mean by this statement? Use examples from the text to support your position.

Essay Topic 3

What do the arrows of time symbolize? What are their purposes? Which one is most important in our universe? Which one would Hawking say is most important? Why? Please use the text to support your answers.

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