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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 21-25.

Multiple Choice Questions

1. When the author had his feet x-rayed as a child, how much radiation did his feet probably receive?
(a) 45 rem.
(b) 50 rem.
(c) 60 rem.
(d) 55 rem.

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

3. How many tons of coal did the author say that the U.S. had in reserves in Chapter 7?
(a) About 2 trillion.
(b) 4 billion.
(c) About 3 trillion.
(d) 11 billion.

4. In Chapter 23, how much carbon dioxide was produced in a gigawatt electric power plant every three seconds?
(a) 1/2 ton.
(b) 2 tons.
(c) 3/4 ton.
(d) 1 ton.

5. When was it discovered that the amount of ozone formed in Antarctica was decreasing yearly?
(a) 1950s.
(b) 1970s.
(c) 1980s.
(d) 1960s.

Short Answer Questions

1. How many horsepower do car engines deliver?

2. How many beta rays must a fifth of whiskey emit every minute or be considered unfit for human consumption?

3. In Chapter 11, when did the U.S. and Russia disclosed the number of nuclear strategic warheads that they had?

4. How many watts do humans emit?

5. What is the Earth's atmosphere?

(see the answer key)

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