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

Multiple Choice Questions

1. How much in 2008 were "triple junction" (82) solar cells?
(a) $100 per square foot.
(b) Around $50 per square foot.
(c) About $65 per square foot.
(d) $75 per square foot.

2. In Chapter 14, how many lasers were in a building at Livermore?
(a) 192.
(b) 185.
(c) 163.
(d) 210.

3. How many tons of gasoline mixed with air and detonated from a parachute, release the energy of over 100 tons of TNT?
(a) 9.
(b) 8.
(c) 7.
(d) 5.

4. How how long could the lasers mentioned in Chapter 14 deliver a power of 500 trillion watts?
(a) 4 nanoseconds.
(b) 6 nanoseconds.
(c) 1 nanosecond.
(d) 5 nanoseconds.

5. How many joules does one food calorie contain?
(a) About 4,200.
(b) 4,800.
(c) 3,700.
(d) Around 3,900.

Short Answer Questions

1. In Chapter 13, where was there a prototype nuclear waste facility?

2. How many watts per square food does overhead sunlight approximately deliver to the ground?

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

4. In Chapter 4, how many people could have been killed by the anthrax spores mailed to news organizations?

5. When was Iraq attempting to develop nuclear weapons?

(see the answer key)

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