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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 17.

Multiple Choice Questions

1. According to the author, humans today have 625 percent more what in their bloodstream compared to previous generations?
(a) Chlorofluorocarbons.
(b) Lead.
(c) Alcohol.
(d) Pesticides.

2. In 1971, Mike Voorhies discovered an amazing fossil bed in Nebraska full of skeletons of prehistoric animals killed 12 millions years ago. How did they die?
(a) Inhaling ash spewed by a volcano.
(b) Frozen in a freak snowstorm.
(c) Drowning in a massive flood.
(d) Infected by deadly bacteria.

3. Sir Isaac Newton wrote "Mathematical Principles of Natural Philosophy," which explains his laws of what?
(a) Attraction.
(b) Motion and gravity.
(c) Quantum physics.
(d) Electromagnetic interference.

4. When French physicist Henri Becquerel accidentally left a packet of uranium salts on a photographic plate, what happened?
(a) The plate rusted.
(b) The salt crystals melted into the plate.
(c) An emission from the salts ruined the plate.
(d) The plate became magnetic.

5. The strongest earthquake ever recorded was measured off the coast of Chile in 1960. What did it measure on the Richter scale?
(a) 9.5.
(b) 10.2.
(c) 8.9.
(d) 7.8.

Short Answer Questions

1. The troposphere is the layer of atmosphere:

2. Through the examples provided about Thomas Midgley's inventions, what is the author trying to say about science?

3. Halley believed that once scientists figured out the distance from the sun to the Earth, they could then calculate what?

4. What campaign did geologist Clair Patterson take on?

5. What organization opposed geologist Clair Patterson and his campaign?

(see the answer key)

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