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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 20.

Multiple Choice Questions

1. Astronomer Edmond Halley approached mathematician Sir Isaac Newton to get his help figuring out why planets:
(a) Orbit the sun in ellipses.
(b) Spin on their axes.
(c) Vary in size.
(d) Are round.

2. The oldest record of life found so far consists of fossilized traces of microbes discovered where?
(a) Iceland.
(b) Poland.
(c) Greenland.
(d) Finland.

3. Fred Hoyle came up with the term "Big Bang" while trying to:
(a) Prove the theory.
(b) Show how life evolved on Earth.
(c) Simplify how the universe came to exist.
(d) Disprove the theory.

4. Anders Celsius, who designed the Celsius thermometer, was an:
(a) Astronomer.
(b) Engineer.
(c) Architect.
(d) Artist.

5. According to the Caltech physicist Richard Feynman, the most important discovery ever made is what?
(a) Pasteurization.
(b) Penicillin.
(c) Electricity.
(d) Atoms.

Short Answer Questions

1. Photosynthesis was developed during the early history of life on Earth by what?

2. Scientists assumed stromatolites were extinct until they were discovered where in 1961?

3. Most life on Earth is based on what element?

4. What are eukarya?

5. Which of the following is not a layer of Earth?

(see the answer key)

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