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This quiz consists of 5 multiple choice and 5 short answer questions through Albert Einstein.

Multiple Choice Questions

1. What force is the weakest of the four categories of forces?
(a) Gravity.
(b) Attraction.
(c) Energy.
(d) Light.

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

3. What does Hawking say math is useful for?
(a) Describing what we observe in the known universe.
(b) Communicating in a single language.
(c) Describing everything we know.
(d) Communicating about our observations.

4. Gravitational force is always what?
(a) Present.
(b) Negated by other forces.
(c) Repulsive.
(d) Attractive.

5. What is the unit of measurement for particle energy?
(a) Electric volts.
(b) Electric particle volts.
(c) Eclectic volts.
(d) Electron volts.

Short Answer Questions

1. A black hole results from a large star using up what type of fuel?

2. Einstein signed a letter to what President urging him to take discovery of the nuclear bomb seriously?

3. What is the purpose of an arrow of time?

4. From what location was the Introduction written?

5. The development of what kind of technology depends upon the theory of quantum mechanics?

(see the answer key)

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