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This quiz consists of 5 multiple choice and 5 short answer questions through Part 2, Chapter 7.

Multiple Choice Questions

1. Astronomer Edmond Halley believed that the distance from the Earth to the sun could be deduced from the:
(a) Distance to the moon.
(b) Position of Mars.
(c) Size of solar flares.
(d) Transits of Venus.

2. When radiation was first discovered, it was sometimes added to:
(a) Toothpastes and laxatives.
(b) Stews and casseroles.
(c) Drinking water.
(d) Gasoline and alcohol.

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

4. When French physicist Henri Becquerel accidentally left a packet of uranium salts on a photographic plate, what happened?
(a) The salt crystals melted into the plate.
(b) An emission from the salts ruined the plate.
(c) The plate became magnetic.
(d) The plate rusted.

5. When was the Big Bang Theory first proposed?
(a) 1790s.
(b) 1960s.
(c) 1850s.
(d) 1920s.

Short Answer Questions

1. When was Pluto discovered?

2. What massive bone belonging to a dinosaur was found in New Jersey in 1789?

3. What did the French Compte de Buffon claim about the New World (the Americas) compared to the known Old World?

4. Between 1980 and 2003, how many supernovas did the Reverend Robert Evans of Australia discover using a simple backyard telescope?

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

(see the answer key)

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