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This quiz consists of 5 multiple choice and 5 short answer questions through Part 5, Chapter 24.

Multiple Choice Questions

1. The Geiger counter is a:
(a) Molecular microscope.
(b) Magnetic imager.
(c) Radioactivity detector.
(d) Voltage meter.

2. 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) Louise Désirée Lorieux.
(c) Wilhelm Conrad Röntgen.
(d) Marie Curie.

3. According to Bryson, what percentage of all animal and plant life is yet to be discovered?
(a) 19.
(b) 32.
(c) 97.
(d) 54.

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

5. Which famous scientist was once an unknown patent clerk in Switzerland?
(a) Charles Darwin.
(b) Albert Einstein.
(c) Joseph Lister.
(d) Thomas Edison.

Short Answer Questions

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

2. How many elements occur naturally on Earth?

3. Regarding species that have gone extinct, scientists generally:

4. What happened to the dinosaur bone discovered in New Jersey in 1789?

5. In 2003, NASA came up with an estimated age of the universe. What was it?

(see the answer key)

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