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

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

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 salt crystals melted into the plate.
(c) The plate became magnetic.
(d) An emission from the salts ruined the plate.

4. Which of the following is not part of an atom?
(a) Neutron.
(b) Proton.
(c) Electron.
(d) Morton.

5. In 1994, scientists observed as the comet Shoemaker-Levy 9 struck Jupiter. One particular comet fragment struck the planet with a force of six million megatons, which is equivalent to approximately what?
(a) 3 times the energy emitted by a solar flare.
(b) 50 times the energy released by the atomic bomb in Hiroshima.
(c) 75 times the energy of all nuclear weapons on Earth.
(d) 7 times the energy of weapons found in a typical nuclear submarine.

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 a supernova?

3. When was Pluto discovered?

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

5. Continental drift refers to:

(see the answer key)

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