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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. In Chapter 11, when did the U.S. and Russia disclosed the number of nuclear strategic warheads that they had?
(a) 2008.
(b) 2007.
(c) 2006.
(d) 2005.

2. What is the Earth's atmosphere?
(a) 99% nitrogen and oxygen.
(b) 98% nitrogen and oxygen.
(c) 97% nitrogen and oxygen.
(d) 96% nitrogen and oxygen.

3. If the energy of a space shuttle is turned into heat and the heat transferred to the shuttle, to what temperature will the shuttle's temperature rise to?
(a) 128,000 degrees F.
(b) Over 140,000 degrees F.
(c) 170,000 degrees F.
(d) About 200,000 degrees F.

4. When did the U.S. and Russia sign a treaty where they promised to reduce their stockpile of nuclear weapons to less than 6,000 each?
(a) 1996.
(b) 1998.
(c) 1992.
(d) 1991.

5. When was Iraq attempting to develop nuclear weapons?
(a) 1997.
(b) 1990.
(c) 1999.
(d) 1994.

Short Answer Questions

1. How far is the moon from the Earth?

2. When did China end nuclear bomb tests?

3. In the last century, how much has the cardbon dioxide level risen?

4. In Chapter 14, how many lasers were in a building at Livermore?

5. During what period of time was the temperature about 2 degrees F than at the time the book was written?

Short Essay Questions

1. What is the main physics problem in fusion reactors, and what are some solutions?

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

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. In Chapter 15, what does the author believe is the most efficient way to travel to space?

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

7. In Chapter 11, what two sides are there to stockpiling weapons?

8. What is X-ray backscatter, and what is it used for?

9. Why do all objects fall at the same speed?

10. What is the weapon paradox?

(see the answer keys)

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