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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 long does the radioactivity of potassium-40 last?
(a) 100,000 years.
(b) 2 million years.
(c) A billion years.
(d) 9 trillion years.

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

3. How much did the small nuclear weapon the Davy Crockett weigh?
(a) 60 pounds.
(b) 55 pounds.
(c) About 50 pounds.
(d) Around 40 pounds.

4. How long were the steel columns of the World Trade Center designed to maintain their strength during an ordinary fire?
(a) 1 hour.
(b) 6 hours.
(c) 2 to 3 hours.
(d) 4 to 5 hours.

5. How much of the radioactivity in the Chernobyl reactor was possible released into the atmosphere?
(a) 30%.
(b) 40%.
(c) 25%.
(d) 35%.

Short Answer Questions

1. When was it rumored that Saddam Hussein tested a dirty bomb?

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

3. In Chapter 7, when oil would rise to what price per barrel did countries take their coal reserves and convert them to oil?

4. What is the radius of damage that would be caused by a 1-kiloton blast?

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

(see the answer key)

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