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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. Had the universe formed just slightly differently:
(a) Our solar system would have ten times more planets.
(b) Planets would be flat instead of round.
(c) Earth would have seven moons.
(d) Mankind would not exist.

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

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

4. Which of the following is not one of the five major extinction episodes on Earth?
(a) Toarcian.
(b) Triassic.
(c) Cretaceous.
(d) Devonian.

5. While the Compte de Buffon was spouting his theories of the new world, what was Frenchman Georges Cuvier doing?
(a) Cataloging edible plant species found in the New World.
(b) Studying the archeology of the Incas, Mayans, and Aztecs.
(c) Living among indigenous people of the New World and writing down their languages.
(d) Writing the first ever description of the enormous mastodon, a new world discovery.

Short Answer Questions

1. The fact that Pluto has a moon was not discovered until:

2. With scientists having found so many dinosaur bones by the dawn of the twentieth century, what did they conclude about the age of Earth?

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

4. In a cell, what is the cytoplasm?

5. What campaign did geologist Clair Patterson take on?

(see the answer key)

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