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This quiz consists of 5 multiple choice and 5 short answer questions through Part 3, Chapter 11.

Multiple Choice Questions

1. While he worked at General Motors Research Corporation in 1921, engineer Thomas Midgley, Jr. developed what dangerous gasoline additive?
(a) Combustion catalyst.
(b) Tetraethyl lead.
(c) Isopropyl alcohol.
(d) Hydrochloric acid.

2. Which of the following is not a major geological era?
(a) Precolumbian.
(b) Mesozoic.
(c) Precambrian.
(d) Paleozoic.

3. What organization opposed geologist Clair Patterson and his campaign?
(a) American Dairy Association.
(b) Swimming Pool Safety Institute.
(c) American Academy of Pediatrics.
(d) American Petroleum Institute.

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

5. Our universe is at least how many light-years wide?
(a) 100 billion.
(b) 50 million trillions.
(c) 350 trillion.
(d) 5 trillion.

Short Answer Questions

1. Max Planck ignored those who urged him to avoid physics and ended up doing groundbreaking work on:

2. 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:

3. According to Einstein's theories, what is the nature of space?

4. When radiation was first discovered, it was sometimes added to:

5. James Hutton was a geologist who wondered why:

(see the answer key)

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