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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. In 1903, who won the Nobel Prize in physics for discovering radioactivity?
(a) Marie Curie, Pierre Curie, and Henri Becquerel.
(b) René Just Haüy and Jean Becquerel.
(c) Louise Désirée Lorieux, Jean Becquerel, and Henri Becquerel.
(d) Marie Curie and Wilhelm Conrad Röntgen.

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

3. Anders Celsius, who designed the Celsius thermometer, was an:
(a) Artist.
(b) Astronomer.
(c) Architect.
(d) Engineer.

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

5. Halley believed that once scientists figured out the distance from the sun to the Earth, they could then calculate what?
(a) Distances to other planets.
(b) Weight of Earth.
(c) Weight of the sun.
(d) Distances to distant stars.

Short Answer Questions

1. Today, scientists know that radiation in high doses is:

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

3. Approximately how many miles are there from Earth's surface to its core?

4. According to the author, humans today have 625 percent more what in their bloodstream compared to previous generations?

5. When French physicist Henri Becquerel accidentally left a packet of uranium salts on a photographic plate, what happened?

(see the answer key)

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