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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 are visible to the naked eye from Earth?
(a) 500.
(b) 6,000.
(c) 9,600.
(d) 1,200.

2. Max Planck ignored those who urged him to avoid physics and ended up doing groundbreaking work on:
(a) Entropy.
(b) Optics.
(c) Electromagnetism.
(d) Acceleration.

3. Which of the following is NOT a quark "flavor?"
(a) Charm.
(b) Strange.
(c) Down.
(d) Inverted.

4. Invented in the 1930s, chlorofluorocarbons (CFCs) have proven to be damaging to:
(a) The ozone layer.
(b) Refrigerator production.
(c) Underground caves.
(d) The tourism industry.

5. What did the French Compte de Buffon claim about the New World (the Americas) compared to the known Old World?
(a) The New World was much more fertile than the old.
(b) Diseases of the New World would be much more deadly than in the Old World.
(c) Unusual, enormous species would be found in the New World.
(d) Everything was smaller and inferior in the New World.

Short Answer Questions

1. Who suggested that mass and energy are actually the same thing?

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

3. In a span of just 20 years, the number of known moons in the solar system grew from:

4. Who postponed his honeymoon in order to write a scientific paper about the movements of electrons?

5. Pluto is the first planet to be discovered by an:

(see the answer key)

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