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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Chapter 11.

Multiple Choice Questions

1. About how many stars can be seen from Earth using a two-inch telescope?
(a) 300,000.
(b) 3 million.
(c) 3,000.
(d) 30,000.

2. Quarks are held together by gluons and make up what?
(a) Electrons and neutrons.
(b) Neutrons and neutrinos.
(c) Electrons and protons.
(d) Protons and neutrons.

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

4. Today, scientists know that radiation in high doses is:
(a) Tolerable.
(b) Safe.
(c) Toxic.
(d) Healthy.

5. How do today's professional astronomers search for supernovae?
(a) Using classical mathematical predictions.
(b) With digital cameras and computers.
(c) In collaboration with astrologers.
(d) Hiring interns to peer through telescopes 24/7.

Short Answer Questions

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

2. When radiation was first discovered, people thought it must have:

3. When was the Big Bang Theory first proposed?

4. What campaign did geologist Clair Patterson take on?

5. What are so small that the dot on the letter "i" could hold 5 billion of them?

(see the answer key)

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