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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 11-15.

Multiple Choice Questions

1. How many watts per square food does overhead sunlight approximately deliver to the ground?
(a) 50.
(b) 100.
(c) 75.
(d) 200.

2. In Part IV, how long did it take to go between Moscow and New York City by satellite?
(a) 21 minutes.
(b) 34 minutes.
(c) 13 minutes.
(d) 17 minutes.

3. In Chapter 8, approximately what percent of people died from cancer of unknown causes?
(a) 20.
(b) 15.
(c) 30.
(d) 25.

4. When did President Reagan announced that he had reduced the total yield of the U.S. nuclear arsenal?
(a) 1986.
(b) 1970s.
(c) 1980s.
(d) 1984.

5. When did the United States place an embargo on Japanese oil imports after they invaded China?
(a) 1941.
(b) 1940.
(c) 1938.
(d) 1939.

Short Answer Questions

1. In 2008, how much did solar cells cost per square yard?

2. How many kilotons of TNT were used by Al-Qaeda on September 11, 2001?

3. How many square miles of sunlight at midday could provide a gigawatt of electric power?

4. How much of a half-life does carbon-14 have?

5. In the Manhattan Project, how much uranium did scientists believe was needed for a critical mass?

(see the answer key)

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