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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 16-20.

Multiple Choice Questions

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

2. How many tons of jet fuel did each plane carry in the 9/11 attack?
(a) 60.
(b) 50.
(c) 55.
(d) 65.

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

4. How much energy is released by 60 tons of gasoline?
(a) 750 tons of TNT.
(b) 800 tons of TNT.
(c) 900 tons of TNT.
(d) 850 tons of TNT.

5. How many people might be killed by a blast in the center of the Rose Bowl on New Year's Day?
(a) 100,000.
(b) 240,000.
(c) 120,000.
(d) 210,000.

Short Answer Questions

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

2. How long did the author believe it would take for a true power tokamak to become a reality in Chapter 14?

3. How many satellites needed to be in view for a GPS system to work on a plane?

4. Of those killed by the Hiroshima atomic bomb, what is the best estimate of the percent of people who died of radiation-induced cancer?

5. How many joules does one food calorie contain?

(see the answer key)

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