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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 2 Space and Time.

Multiple Choice Questions

1. Who proposed the elliptical orbits of the planets?
(a) Newton.
(b) Kepler.
(c) Galileo.
(d) Einstein.

2. Groups of atoms create what?
(a) Protons.
(b) Matter.
(c) Electrons.
(d) Empty space.

3. Edwin Hubble's observation that the universe is expanding supports what theory?
(a) The Big Bang theory.
(b) The Universe Expansion theory.
(c) The Dark Bang theory.
(d) The Dark Matter theory.

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

5. From what location was the Introduction written?
(a) Ithaca, NY
(b) Ithaca, NJ
(c) Ithaca, CA
(d) Ithaca, AZ

Short Answer Questions

1. As an observer's velocity comes close to the speed of light, the observer's mass does what?

2. What question is among the unanswerable questions children ask, according to the Introduction?

3. The universe is largely made up of what?

4. How does Hawking define scientific theory?

5. The only constant in the universe is what?

(see the answer key)

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