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

Multiple Choice Questions

1. In 1974 how much energy did the average refrigerator in the U.S. use?
(a) 1600-kilowatt-hours.
(b) 1700 kilowatt-hours.
(c) 1800 kilowatt-hours.
(d) 1200 kilowatt-hours.

2. How long did it take the Manhattan Project scientists and engineers to build three nuclear weapons?
(a) 2 years.
(b) 4 years.
(c) 5 years.
(d) 3 years.

3. How many square miles of sunlight at midday could provide a gigawatt of electric power?
(a) 4.
(b) 1.
(c) 3.
(d) 2.

4. When did a National Academy of Science report show no significant increase in birth defects of the children of victims in Hiroshima and Nagasaki?
(a) 2006.
(b) 2005.
(c) 2004.
(d) 2007.

5. About how many people near the Chernobyl reactor were thought to have received about 45 rem each?
(a) 30,000.
(b) 20,000.
(c) 40,000.
(d) 10,000.

Short Answer Questions

1. When did the Soviets carry out a test of the largest man-made nuclear explosion?

2. How many deaths did the United Nations estimate around the world were caused by radiation from Chernobyl?

3. In the mid-1980s in California, how many years in a row were there below-average rain and snowfall?

4. What is the distance to the nearest star (other than the sun)?

5. At what temperature did the columns of the World Trade Center become vulnerable to buckling?

(see the answer key)

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