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

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

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

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

5. Anders Celsius, who designed the Celsius thermometer, was an:
(a) Artist.
(b) Architect.
(c) Engineer.
(d) Astronomer.

Short Answer Questions

1. What is found at the very center of the Earth?

2. Approximately how many miles are there from Earth's surface to its core?

3. What campaign did geologist Clair Patterson take on?

4. When radiation was first discovered, people thought it must have:

5. Invented in the 1930s, chlorofluorocarbons (CFCs) have proven to be damaging to:

(see the answer key)

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