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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. After noticing an unusual phenomenon with uranium salts and a photographic plate, Henri Becquerel asked one of his graduate students to investigate the matter. Who was this student?
(a) René Just Haüy.
(b) Marie Curie.
(c) Wilhelm Conrad Röntgen.
(d) Louise Désirée Lorieux.

2. When did the last supervolcano erupt on Earth?
(a) 9,000 years ago.
(b) 23,000 years ago.
(c) 1,100 years ago.
(d) 74,000 years ago.

3. In the 1960s, what did Bob Christiansen realize about Yellowstone National Park after observing NASA-supplied images?
(a) Practically the whole park is a volcano.
(b) The park holds thousands of volcanoes.
(c) Most of the park was created by a massive earthquake.
(d) The park was carved by moving glaciers.

4. The first eruption of Yellowstone took place how many years ago?
(a) 16.5 million.
(b) 74 thousand.
(c) 19.7 billion.
(d) 630 thousand.

5. In 1903, who won the Nobel Prize in physics for discovering radioactivity?
(a) Marie Curie and Wilhelm Conrad Röntgen.
(b) Louise Désirée Lorieux, Jean Becquerel, and Henri Becquerel.
(c) Marie Curie, Pierre Curie, and Henri Becquerel.
(d) René Just Haüy and Jean Becquerel.

Short Answer Questions

1. When oceanographer Jacques Piccard and a U.S. Navy sailor descended more than 35,000 feet to the deepest part of the world's oceans, what happened?

2. Arranged side by side, how many atoms can fit across the width of a typical human hair?

3. Anders Celsius, who designed the Celsius thermometer, was an:

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

5. Using a depth sounder during World War II, Harry Hess discovered that ocean floors:

(see the answer key)

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