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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3 The Expanding Universe.

Multiple Choice Questions

1. Philosophers try to understand the universe using what method?
(a) Circular arguments.
(b) Religious reasoning.
(c) Disciplined logic.
(d) Mathematics.

2. Hawking co-authored a paper in what year that explains the big bang theory?
(a) 1970.
(b) 1977.
(c) 1985.
(d) 1980.

3. Who wrote the introduction?
(a) Max Planck.
(b) Carl Sagan.
(c) Stephen Hawking.
(d) Edwin Hubble.

4. The universe has how many dimensions?
(a) Four.
(b) Two.
(c) Five.
(d) Three.

5. Scientists start their understanding of the universe with what?
(a) A theory.
(b) Observations.
(c) Mathematics.
(d) Observations and mathematics.

Short Answer Questions

1. What travels at the speed of 186,000 miles per second?

2. In the universe, objects move in what type of direction?

3. In what year did Stephen Hawking enter the Royal Society of London?

4. Galileo found the moons of what planet using his telescope?

5. A black hole has zero what?

(see the answer key)

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