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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 6-10.

Multiple Choice Questions

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

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

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

4. How much more energy is typically released by a nuclear chain reaction than an equal weight of TNT?
(a) 20 million times.
(b) 500,000 times.
(c) 10,000 times.
(d) 15 million times.

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

Short Answer Questions

1. How many times the energy of uranium and plutonium bombs can be released by hydrogen bombs?

2. How much bomb-grade uranium or plutonium would be needed to make a weapon in the kiloton range?

3. When did a nuclear power plant near Chernobyl in the Ukraine have a violent accident?

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

5. How long does the radioactivity of potassium-40 last?

(see the answer key)

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