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Chapters 1-5

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

2. When did North Korea have a nuclear weapon test in Chapter 1?
(a) September 7, 2004.
(b) October 9, 2006.
(c) February 20, 2007.
(d) March 3, 2005.

3. How large was a plane that was used as a weapon in the 9/11 attack?
(a) 158 tons.
(b) 131 tons.
(c) 103 tons.
(d) 142 tons.

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

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

6. How much energy is released by 60 tons of gasoline?
(a) 800 tons of TNT.
(b) 750 tons of TNT.
(c) 900 tons of TNT.
(d) 850 tons of TNT.

7. A ton of TNT is equal to the energy of how many food calories?
(a) 1 million.
(b) 750,000.
(c) 500,000.
(d) 100,000.

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

9. When was gasoline a key component of the Molotov cocktails used in Spain?
(a) 1920s.
(b) 1950s.
(c) 1940s.
(d) 1930s.

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