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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. At the time the book was written, how much did the GRACE satellites discover that the ice volume in Antarctica is decreasing per year?
(a) 27 cubic miles.
(b) 51 cubic miles.
(c) 43 cubic miles.
(d) 36 cubic miles.

2. When was the Los Alamos Primer declassified and published by the United States?
(a) 1950s.
(b) 1960s.
(c) 1970s.
(d) 1980s.

3. When did China end nuclear bomb tests?
(a) 1990.
(b) 1988.
(c) 1974.
(d) 1963.

4. How many people could be killed by the radioactivity in a nuclear power plant if they ate it?
(a) 15 million.
(b) 30 million.
(c) 50 million.
(d) 90 million.

5. How much gasoline could the deuterium yield that is found in each gallon of seawater?
(a) 50 gallons.
(b) 200 gallons.
(c) 75 gallons.
(d) 125 gallons.

Short Answer Questions

1. How many excess deaths does the United Nations estimate from the Chernobyl accident?

2. How much did it cost to launch a pound of anything into orbit in 2008?

3. How long did the author believe it would take for a true power tokamak to become a reality in Chapter 14?

4. How long do the carcinogens from coal-buring plants last in the ground?

5. In what country is plutonium-239 not considered nuclear waste?

Short Essay Questions

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

2. What needs to be understood about global warming?

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

4. What is the weapon paradox?

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

6. What happened to the space shuttle Challenger?

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

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

9. What theory did Milutin Milankovic use to explain the cyclic pattern of the ice ages?

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

(see the answer keys)

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