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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. When was there a medieval warm period?
(a) AD 1300 to 1400.
(b) AD 1200 to the 1400s.
(c) AD 1000 to the 1300s.
(d) AD 1100 to the 1300s.

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

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

4. When did the space shuttle Challenger explode?
(a) January 28, 1986.
(b) March 2, 1986.
(c) April 19, 1986.
(d) February 9, 1986.

5. When did Luis Alvarez and his colleagues discover a way to eliminate the need for high termperature in fusion?
(a) 1957.
(b) 1963.
(c) 1961.
(d) 1954.

6. What would the temperature of the Earth's surface be without greenhouse gases?
(a) 25 degrees F.
(b) 5 degrees F.
(c) 12 degrees F.
(d) 10 degrees F.

7. How high in altitude must a person travel to be awarded astronaut wings by the United States?
(a) 75 miles.
(b) 100 miles.
(c) 50 miles.
(d) 60 miles.

8. 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) 36 cubic miles.
(b) 27 cubic miles.
(c) 51 cubic miles.
(d) 43 cubic miles.

9. When did the nuclear reactor on Three Mile Island run out of control and a third of its uranium fuel melted?
(a) February 11, 1979.
(b) May 24, 1979.
(c) April 9, 1979.
(d) March 28, 1979.

10. When did the author spend a night with the U.S. Border Patrol?
(a) 1991.
(b) 1989.
(c) 1988.
(d) 1990.

11. In Chapter 19, for what time period have written records of temperatures been analyzed?
(a) 1600s to the present.
(b) Early 1800s to the present.
(c) 1850 to the present.
(d) 1700s to the present.

12. At 100 miles altitude, what percent is the gravity from what it is on the surface?
(a) 80.
(b) 60.
(c) 75.
(d) 95.

13. If you weigh 150 pounds on Earth, how much will you weigh on Jupiter?
(a) 525 pounds.
(b) About 300 pounds.
(c) 475 pounds.
(d) Nearly 400 pounds.

14. In Chapter 15, how long would some rides at amusement parks allow riders to fall?
(a) 145 feet.
(b) 100 feet.
(c) 50 feet.
(d) 125 feet.

15. In a pebble bed reactor, how deep is the bed of pebbles where the uranium is placed?
(a) 1 1/2 inches.
(b) 3 inches.
(c) 4 inches.
(d) 2 1/2 inches.

Short Answer Questions

1. When did the U.S. and Russia sign a treaty where they promised to reduce their stockpile of nuclear weapons to less than 6,000 each?

2. In the last century, how much has the cardbon dioxide level risen?

3. How many times less toxic is plutonium that cyanide?

4. When did China become the biggest source of the carbon dioxide increase?

5. In 2007, where was a secret nuclear facility discovered when Israel attacked the country?

(see the answer keys)

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