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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Chapter 11.

Multiple Choice Questions

1. Who postponed his honeymoon in order to write a scientific paper about the movements of electrons?
(a) Niels Bohr.
(b) James Chadwick.
(c) Albert Einstein.
(d) Ernest Rutherford.

2. What are so small that the dot on the letter "i" could hold 5 billion of them?
(a) Quarks.
(b) Protons.
(c) Bacteria.
(d) Viruses.

3. According to Einstein's theories, what is the nature of space?
(a) It is a straight line.
(b) It is a flat plane.
(c) It has missing points.
(d) It curves.

4. Our universe is at least how many light-years wide?
(a) 100 billion.
(b) 350 trillion.
(c) 50 million trillions.
(d) 5 trillion.

5. Many scientists suspect that Pluto is just a comet of the:
(a) Solar Belt.
(b) Kuiper Belt.
(c) Orion Belt.
(d) Neptunian Belt.

Short Answer Questions

1. When was Pluto discovered?

2. Scientists are aware of at least how many galaxies in the universe?

3. A hundred years before Einstein's math analyses confirmed the existence of atoms, this self-educated scientist suggested everything is made up of tiny, unchangeable particles:

4. How far away is Proxima Centauri from Earth?

5. Who suggested that mass and energy are actually the same thing?

(see the answer key)

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