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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. For satellites orbiting the earth, time does what in relation to the ground of the earth?
(a) Runs almost at the same pace.
(b) Remains the same.
(c) Speeds up.
(d) Slows down.

2. Aristotle thought that the Earth was what?
(a) Its own galaxy.
(b) Stationary.
(c) In orbit around the sun.
(d) Bigger than the sun.

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

4. How many miles does light travel in one earth year?
(a) 5.88 trillion miles.
(b) 5.5 trillion miles.
(c) 6 trillion miles.
(d) 5 trillion miles.

5. When Hubble discovered other galaxies, in what direction were they moving?
(a) Away from each other.
(b) Towards each other.
(c) Away from earth.
(d) Towards earth.

Short Answer Questions

1. The universe has how many dimensions?

2. Who created the idea that a star can collapse and become a black hole?

3. The universe is largely made up of what?

4. Scientists start their understanding of the universe with what?

5. How does Hawking define scientific theory?

(see the answer key)

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