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

2. What theory best describes the singularities of black holes and big bangs?
(a) Molecular engineering.
(b) Theory of everything.
(c) Theory of relativity.
(d) Quantum mechanics.

3. In what year did Wolfgang Pauli bring the exclusion principle to physics?
(a) 1932.
(b) 1941.
(c) 1925.
(d) 1928.

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

5. Who wrote the introduction?
(a) Edwin Hubble.
(b) Stephen Hawking.
(c) Carl Sagan.
(d) Max Planck.

Short Answer Questions

1. The distance light travels in an earth year is called what?

2. Who published a paper on Brownian motion in 1905?

3. What is one of the colors of quarks?

4. Heisenberg and Erwin Shrodinger developed what reformulation of standard mechanics?

5. How many quarks make up a proton or neutron?

(see the answer key)

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