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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. When did Stanley Pons and Martin Fleischmann mistakenly believe they had achieved cold fusion?
(a) 1991.
(b) 1989.
(c) 1994.
(d) 1986.

2. What is the distance to the nearest star (other than the sun)?
(a) 2 light-years.
(b) About 4 light-years.
(c) 8 light-years.
(d) Around 5 light-years.

3. How many tons of high-level nuclear waste were the underground tunnels at Yucca Mountain designed to hold?
(a) 77,000 tons.
(b) 92,000 tons.
(c) 110,000 tons.
(d) 45,000 tons.

4. At 100 miles altitude, what percent is the gravity from what it is on the surface?
(a) 60.
(b) 80.
(c) 95.
(d) 75.

5. In the last century, how much has the cardbon dioxide level risen?
(a) 36%.
(b) 41%.
(c) 18%.
(d) 23%.

Short Answer Questions

1. About how much energy does a large nuclear plant produce?

2. When did the space shuttle Columbia explode?

3. In Chapter 14, where was a very large tokamak being built?

4. How long did it take the Manhattan Project scientists and engineers to build three nuclear weapons?

5. When did China become the biggest source of the carbon dioxide increase?

Short Essay Questions

1. What was the Little Ice Age?

2. What dangers were there regarding nuclear weapons at the time the book was written?

3. What are the GRACE satellites, and what are some things that they have measured?

4. What is the main difference between nuclear and diesel submarines?

5. What was learned about the climate of the past from glaciers covering Greenland?

6. What happened to the space shuttle Challenger?

7. What are the challenges for people moving in weak gravity?

8. What radiation levels were measured after the Three Mile Island incident, and why were the levels not caused by the accident?

9. What information can be discovered from space?

10. What does Muller say about the safety of a space shuttle?

(see the answer keys)

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