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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 17.

Multiple Choice Questions

1. In 1971, Mike Voorhies discovered an amazing fossil bed in Nebraska full of skeletons of prehistoric animals killed 12 millions years ago. How did they die?
(a) Inhaling ash spewed by a volcano.
(b) Drowning in a massive flood.
(c) Infected by deadly bacteria.
(d) Frozen in a freak snowstorm.

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

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

4. The troposphere is the layer of atmosphere:
(a) Farthest away.
(b) Closest to the ground.
(c) Just above the highest clouds.
(d) That is coldest.

5. How deep is Earth's atmosphere?
(a) 5 miles.
(b) 800 miles.
(c) 120 miles.
(d) 30 miles.

Short Answer Questions

1. Compared to at sea level, oxygen at a few thousand feet above sea level is:

2. The strongest earthquake ever recorded was measured off the coast of Chile in 1960. What did it measure on the Richter scale?

3. What is the highest elevation that humans are able to live and survive on Earth continuously without special accommodations?

4. What campaign did geologist Clair Patterson take on?

5. While he worked at General Motors Research Corporation in 1921, engineer Thomas Midgley, Jr. developed what dangerous gasoline additive?

(see the answer key)

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