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

Multiple Choice Questions

1. How many kilotons of TNT were used by Al-Qaeda on September 11, 2001?
(a) 1.8.
(b) 2.1.
(c) 1.5.
(d) 1.4.

2. In Chapter 7, when oil would rise to what price per barrel did countries take their coal reserves and convert them to oil?
(a) About $60.
(b) About $50.
(c) About $65.
(d) About $55.

3. Of those killed by the Hiroshima atomic bomb, what is the best estimate of the percent of people who died of radiation-induced cancer?
(a) 3.
(b) 25.
(c) 2.
(d) 11.

4. How many joules does one food calorie contain?
(a) 4,800.
(b) About 4,200.
(c) 3,700.
(d) Around 3,900.

5. How much of a rem is in tooth X-rays?
(a) 1/2000.
(b) 1/1000.
(c) 1/500.
(d) 1/750.

6. How much power can a healthy person produce by pedaling a bicycle?
(a) 1 horsepower.
(b) 1/7 horsepower.
(c) 3/4 horsepower.
(d) 1/3 horsepower.

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

8. At the time the book was written, what company was second in oil reserves only to Saudi Arabia?
(a) Canada.
(b) Russia.
(c) United States.
(d) Iran.

9. How many times the energy of uranium and plutonium bombs can be released by hydrogen bombs?
(a) 200 times.
(b) 800 times.
(c) About 500 times.
(d) Over 1,000 times.

10. How fast was a plane moving that was used as a weapon in the 9/11 attack?
(a) 634 miles per hour.
(b) 600 miles per hour.
(c) 545 miles per hour.
(d) 515 miles per hour.

11. What was the efficiency of the best solar cells at the time the book was written?
(a) 68%.
(b) 38%.
(c) 52%.
(d) 41%.

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

13. How many satellites needed to be in view for a GPS system to work on a plane?
(a) 1.
(b) 2.
(c) 4.
(d) 3.

14. In the Manhattan Project, how much uranium did scientists believe was needed for a critical mass?
(a) 440 pounds.
(b) 630 pounds.
(c) 510 pounds.
(d) 380 pounds.

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

Short Answer Questions

1. When was the last date that anthrax letters were sent in 2001?

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

3. How many people might be killed by a blast in the center of the Rose Bowl on New Year's Day?

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

5. When the author had his feet x-rayed as a child, how much radiation did his feet probably receive?

(see the answer keys)

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