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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5 Elementary Particles and the Forces of Nature.

Multiple Choice Questions

1. Who created the idea that a star can collapse and become a black hole?
(a) Arno Penzias.
(b) Robert Wilson.
(c) Alexander Friedmann.
(d) Roger Penrose.

2. In the universe, objects move in what type of direction?
(a) In curved lines.
(b) In straight lines.
(c) In waves.
(d) In circular motions.

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

4. Who created the relativity formula that states energy equals mass multiplied by the speed of light squared?
(a) Galileo.
(b) Newton.
(c) Einstein.
(d) Aristotle.

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

Short Answer Questions

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

2. Unlike children, scientists and philosophers, most adults use what to explain away the fundamental questions of the universe?

3. In what year did Wolfgang Pauli bring the exclusion principle to physics?

4. Who proposed the elliptical orbits of the planets?

5. Aristotle and who believed that time is not absolute?

(see the answer key)

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