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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 25.

Multiple Choice Questions

1. What organisms does the author say are the most enduring inhabitants of our planet?
(a) Humans.
(b) Fungi.
(c) Bacteria.
(d) Spiders.

2. 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) Frozen in a freak snowstorm.
(b) Infected by deadly bacteria.
(c) Inhaling ash spewed by a volcano.
(d) Drowning in a massive flood.

3. Continental drift refers to:
(a) Tides affecting the shape of continents.
(b) Continents drifting apart.
(c) Changing weather patterns.
(d) Unique cloud drifts over different continents.

4. Approximately how many bacteria live on a square centimeter of human skin?
(a) 350.
(b) 7,500.
(c) 4,000,000.
(d) 100,000.

5. The KT meteor caused dinosaurs to become extinct but paved the way for what to become the new dominant species?
(a) Birds.
(b) Plants.
(c) Mammals.
(d) Insects.

Short Answer Questions

1. 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:

2. The Geiger counter is a:

3. Through the examples provided about Thomas Midgley's inventions, what is the author trying to say about science?

4. When the KT meteor that killed the dinosaurs hit Earth, what percentage of life on the planet perished?

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

(see the answer key)

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