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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. Compared to at sea level, oxygen at a few thousand feet above sea level is:
(a) Purer.
(b) Thinner.
(c) Heavier.
(d) More plentiful.

2. When radiation was first discovered, people thought it must have:
(a) High toxicity.
(b) An extraterrestrial origin.
(c) Been caused by thunderstorms.
(d) Healthful properties.

3. 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) Without science, we would still be living in caveman days in primitive dwellings.
(c) Pursuing scientific avenues is always justified, regardless of outcome.
(d) Science is the cause of all our modern ills.

4. What components were central to the apparatus that Henry Cavendish used to determine the density of Earth?
(a) Boiling water, a tub, and a barrel.
(b) Weights, counter-weights, and pendulums.
(c) A burner, gases, and switches.
(d) Chutes and slides.

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

Short Answer Questions

1. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:

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

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

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

5. Anders Celsius, who designed the Celsius thermometer, was an:

(see the answer key)

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