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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9 The Arrow of Time.

Multiple Choice Questions

1. Galileo found the moons of what planet using his telescope?
(a) Neptune.
(b) Jupiter.
(c) Saturn.
(d) Mars.

2. Who demonstrated that an atom is made up of electrons orbiting a nucleus made up of protons?
(a) Murray Gell-Mann.
(b) Albert Einstein.
(c) Ernest Rutherford.
(d) James Chadwick.

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

4. If you use Hawking's model of the universe, how did the universe start?
(a) It started with the evaporation of other universes.
(b) It started with the collapse of a black hole in a previous universe.
(c) There was no beginning, it has always been there.
(d) It started with a big bang.

5. Who published a paper on Brownian motion in 1905?
(a) Murray Gell-Mann.
(b) Albert Einstein.
(c) James Chadwick.
(d) Ernest Rutherford.

Short Answer Questions

1. The idea of the big bang arises from what phenomena?

2. "We see the universe the way it is because we exist," demonstrates what principle?

3. What might escape from a black hole?

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

5. What else can we not see, besides black holes?

(see the answer key)

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