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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 24.

Multiple Choice Questions

1. What is found at the very center of the Earth?
(a) Solid inner core.
(b) Gaseous core.
(c) Liquid inner core.
(d) Frozen core.

2. How far away is Proxima Centauri from Earth?
(a) 120 million times farther than our sun.
(b) 390 million times farther than Venus.
(c) 700 million times farther than Mars.
(d) 100 million times farther than our moon.

3. In 2003, NASA came up with an estimated age of the universe. What was it?
(a) 731 trillion years.
(b) 35 million years.
(c) 13.7 billion years.
(d) 103.5 million years.

4. Which famous scientist was once an unknown patent clerk in Switzerland?
(a) Thomas Edison.
(b) Albert Einstein.
(c) Joseph Lister.
(d) Charles Darwin.

5. Species appear to exist, on average, how long?
(a) 9 billion years.
(b) 12 thousand years.
(c) 780 thousand years.
(d) 4 million years.

Short Answer Questions

1. The troposphere is the layer of atmosphere:

2. In addition to being a seventeenth-century astronomer, Christopher Wren designed:

3. When was the Big Bang Theory first proposed?

4. Pluto is the first planet to be discovered by an:

5. Earth is composed of 8 to 12 larger plates and about how many smaller ones?

(see the answer key)

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