View a FREE sample

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

Short Answer Questions

1. Who proposed the idea that there are such things called quanta?

2. Who created the law of motion?

3. What force is so strong in a black hole that nothing can escape?

4. The universe has how many dimensions?

5. A black hole has zero what?

Short Essay Questions

1. Why do scientists think that there is a black hole in the star system Cygnus X-1?

2. What are the six varieties of quarks?

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

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

5. What will happen if the expansion of the universe stops?

6. What could cause the expansion of the universe to go on forever?

7. How did Einstein observe Brownian motion?

8. Scientists start with observations and mathematics to answer the fundamental questions and then do what?

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

10. What is one implication of the theory of relativity?

Essay Topics

Write an essay for ONE of the following topics:

Essay Topic 1

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.

Essay Topic 2

Based on your reading of the book, why does humanity try to understand the universe and what progress has humanity made in understanding it? Please support your answers with examples from the text.

Essay Topic 3

Black holes exist in math, but not in observational reality. What does this mean for the evolution of ideas that scientists accept the idea of a new creation purely by seeing the math work? What does Hawking say about the evolution of ideas without observational proof? Please use the text to support your answer.

(see the answer keys)

This section contains 475 words (approx. 2 pages at 300 words per page) View a FREE sample