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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. What components were central to the apparatus that Henry Cavendish used to determine the density of Earth?
(a) Boiling water, a tub, and a barrel.
(b) Chutes and slides.
(c) A burner, gases, and switches.
(d) Weights, counter-weights, and pendulums.

2. In times past, Earth was:
(a) Less hospitable.
(b) Smaller.
(c) Flatter.
(d) More hospitable.

3. What campaign did geologist Clair Patterson take on?
(a) Fortifying milk with vitamin D.
(b) Removing lead additives from gasoline.
(c) Removing chlorine from swimming pools.
(d) Adding fluoride to drinking water.

4. In a span of just 20 years, the number of known moons in the solar system grew from:
(a) 30 to more than 90.
(b) 10 to more than 25.
(c) 60 to more than 500.
(d) 12 to more than 300.

5. Which of the following is not part of an atom?
(a) Neutron.
(b) Electron.
(c) Proton.
(d) Morton.

Short Answer Questions

1. Our universe is at least how many light-years wide?

2. Which of the following is not a major geological era?

3. What followed the last supervolcanic eruption on Earth in the region that is now northern Sumatra?

4. Which famous scientist was once an unknown patent clerk in Switzerland?

5. What is a supernova?

(see the answer key)

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