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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 Black Holes.

Multiple Choice Questions

1. What shape did Aristotle think the Earth was?
(a) A sphere.
(b) Flat.
(c) Oval.
(d) A disk.

2. What is one of the varieties of quarks?
(a) Quirky.
(b) Strange.
(c) Odd.
(d) Random.

3. As an observer's velocity comes close to the speed of light, the observer's mass does what?
(a) Covers more space.
(b) Increases to almost infinity.
(c) Decreases to almost nothing.
(d) Stays the same.

4. How many quarks make up a proton or neutron?
(a) Two.
(b) Five.
(c) Four.
(d) Three.

5. Philosophers try to understand the universe using what method?
(a) Mathematics.
(b) Circular arguments.
(c) Religious reasoning.
(d) Disciplined logic.

Short Answer Questions

1. What travels at the speed of 186,000 miles per second?

2. For satellites orbiting the earth, time does what in relation to the ground of the earth?

3. What is another name for a neutron star?

4. All the particles in the universe are what type of spin?

5. What type of theories try to bring the various virtual particles together as one entity, but do not include gravity?

(see the answer key)

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