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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 20.

Multiple Choice Questions

1. Continental drift refers to:
(a) Unique cloud drifts over different continents.
(b) Changing weather patterns.
(c) Continents drifting apart.
(d) Tides affecting the shape of continents.

2. What organisms does the author say are the most enduring inhabitants of our planet?
(a) Spiders.
(b) Humans.
(c) Bacteria.
(d) Fungi.

3. When radiation was first discovered, it was sometimes added to:
(a) Gasoline and alcohol.
(b) Toothpastes and laxatives.
(c) Stews and casseroles.
(d) Drinking water.

4. What happened to the dinosaur bone discovered in New Jersey in 1789?
(a) It was sold to a museum in England.
(b) It is part of a wealthy family's private collection.
(c) It had been permanently misplaced.
(d) It is on permanent display at the Smithsonian.

5. What is the average distance between asteroids found in the inner solar system between Mars and Jupiter?
(a) Ten billion miles.
(b) A thousand miles.
(c) A million miles.
(d) Ten thousand miles.

Short Answer Questions

1. Tired of climbing hills to study clouds, C. T. R. Wilson invented what?

2. In a span of just 20 years, the number of known moons in the solar system grew from:

3. As of July 2001, approximately how many asteroids had been identified?

4. Many scientists suspect that Pluto is just a comet of the:

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

(see the answer key)

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