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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 discovered the theory of gravity?
(a) Newton.
(b) Galileo.
(c) Hubble.
(d) Einstein.

2. Time is not separate from space, but is combined with it to form what?
(a) The two dimesions.
(b) Space-time.
(c) Three dimensional space.
(d) The spectrum.

3. The universe is largely made up of what?
(a) Empty space.
(b) Planets.
(c) Dark matter.
(d) Stars.

4. Light moves along what sort of lines?
(a) Wavy.
(b) Straight.
(c) Tilted.
(d) Curved.

5. The only constant in the universe is what?
(a) Time.
(b) The speed of light.
(c) Space.
(d) The speed of sound.

Short Answer Questions

1. Who proposed the elliptical orbits of the planets?

2. Philosophers try to understand the universe using what method?

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

4. Hawking is what type of physicist?

5. Who created the law of motion?

(see the answer key)

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