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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 24.

Multiple Choice Questions

1. Through the examples provided about Thomas Midgley's inventions, what is the author trying to say about science?
(a) Science can better our lives but used unwisely it can be dangerous to the planet.
(b) Science is the cause of all our modern ills.
(c) Without science, we would still be living in caveman days in primitive dwellings.
(d) Pursuing scientific avenues is always justified, regardless of outcome.

2. What percentage of the human body consists of water?
(a) 97.
(b) 32.
(c) 14.
(d) 65.

3. In addition to being a seventeenth-century astronomer, Christopher Wren designed:
(a) Clothes.
(b) Swords.
(c) Eyeglasses.
(d) Cathedrals.

4. Earth is composed of 8 to 12 larger plates and about how many smaller ones?
(a) Twenty.
(b) One hundred.
(c) Eighty.
(d) Five.

5. Our universe is at least how many light-years wide?
(a) 50 million trillions.
(b) 100 billion.
(c) 5 trillion.
(d) 350 trillion.

Short Answer Questions

1. During the time of the dinosaurs, Earth's magnetic field was:

2. When oceanographer Jacques Piccard and a U.S. Navy sailor descended more than 35,000 feet to the deepest part of the world's oceans, what happened?

3. What is the average distance between asteroids found in the inner solar system between Mars and Jupiter?

4. The Yucatan Peninsula of Mexico is thought to be the site of what?

5. Bacteria take nitrogen from the air and form it into what?

(see the answer key)

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