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This quiz consists of 5 multiple choice and 5 short answer questions through Chapters 11-15.

Multiple Choice Questions

1. When did a National Academy of Science report show no significant increase in birth defects of the children of victims in Hiroshima and Nagasaki?
(a) 2005.
(b) 2006.
(c) 2004.
(d) 2007.

2. How fast is the Moon moving in respect to Earth?
(a) 1.7 miles per second.
(b) 0.4 miles per second.
(c) 1.2 miles per second.
(d) 0.6 miles per second.

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

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

5. When did the Soviets carry out a test of the largest man-made nuclear explosion?
(a) October 30, 1961.
(b) March 19, 1961.
(c) April 18, 1961.
(d) July 12, 1961.

Short Answer Questions

1. In Chapter 5, how much cheaper was coal than gasoline, for the same energy?

2. How much in 2008 were "triple junction" (82) solar cells?

3. In 2008, how much of the electricity generated in the United States came from nuclear power plants?

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

5. In Chapter 11, when did the U.S. and Russia disclosed the number of nuclear strategic warheads that they had?

(see the answer key)

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