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

2. What question is among the unanswerable questions children ask, according to the Introduction?
(a) Why does time only go in one direction?
(b) Why is there a universe?
(c) What happens when we die?
(d) Why are we here?

3. Aristotle and who believed that time is not absolute?
(a) Kapal.
(b) Einstein.
(c) Galileo.
(d) Newton.

4. Who brought forth the idea that the earth and planets revolve around the sun?
(a) Copernicus.
(b) Galileo.
(c) Ptolemy.
(d) Aristotle.

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

Short Answer Questions

1. A location on earth's surface is defined by what?

2. Who discovered the theory of gravity?

3. Hawking is what type of physicist?

4. Aristotle thought that the Earth was what?

5. Edwin Hubble's observation that the universe is expanding supports what theory?

(see the answer key)

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