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

Multiple Choice Questions

1. How long did it take the Manhattan Project scientists and engineers to build three nuclear weapons?
(a) 5 years.
(b) 2 years.
(c) 4 years.
(d) 3 years.

2. How far is the moon from the Earth?
(a) 175,000 miles.
(b) 312,000 miles.
(c) 294,000 miles.
(d) 240,000 miles.

3. How long did the author believe it would take for a true power tokamak to become a reality in Chapter 14?
(a) At least 20 years.
(b) 100 years.
(c) About 50 years.
(d) 75 years.

4. In Chapter 17, what speed had unmanned prototypes of scramjets reached?
(a) Mach 8.
(b) Mach 9.
(c) Mach 11.
(d) Mach 10.

5. At the time the book was written, how much did the GRACE satellites discover that the ice volume in Antarctica is decreasing per year?
(a) 43 cubic miles.
(b) 36 cubic miles.
(c) 51 cubic miles.
(d) 27 cubic miles.

Short Answer Questions

1. When did the U.S. and Russia sign a treaty where they promised to reduce their stockpile of nuclear weapons to less than 6,000 each?

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

3. When did the space shuttle Columbia explode?

4. How much more natural radioactivity are people living in Denver exposed to than someone in New York City?

5. How much of a rem is in tooth X-rays?

(see the answer key)

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