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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 6-10.

Multiple Choice Questions

1. How long does the radioactivity of potassium-40 last?
(a) 100,000 years.
(b) A billion years.
(c) 9 trillion years.
(d) 2 million years.

2. How much did the small nuclear weapon the Davy Crockett weigh?
(a) 55 pounds.
(b) Around 40 pounds.
(c) 60 pounds.
(d) About 50 pounds.

3. When the book was written, was the the total world production of oil per year?
(a) 50 billion barrels.
(b) 40 billion barrels.
(c) 60 billion barrels.
(d) 30 billion barrels.

4. How much larger was a nuclear explosion tested by the Soviets in Chapter 2 than the Hiroshima bomb?
(a) 3,000 times.
(b) 3,500 times.
(c) 2,000 times.
(d) 2,500 times.

5. How many Chernobyl thyroid cancer victims died?
(a) 13.
(b) 9.
(c) 12.
(d) 10.

Short Answer Questions

1. Of those killed by the Hiroshima atomic bomb, what is the best estimate of the percent of people who died of radiation-induced cancer?

2. What was the efficiency of the best solar cells at the time the book was written?

3. How much in 2008 were "triple junction" (82) solar cells?

4. In Chapter 6, what was the name of Muller's student in his anecdote?

5. How much more energy is typically released by a nuclear chain reaction than an equal weight of TNT?

(see the answer key)

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