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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. Max Planck ignored those who urged him to avoid physics and ended up doing groundbreaking work on:
(a) Entropy.
(b) Acceleration.
(c) Electromagnetism.
(d) Optics.

2. Through the examples provided about Thomas Midgley's inventions, what is the author trying to say about science?
(a) Pursuing scientific avenues is always justified, regardless of outcome.
(b) Science can better our lives but used unwisely it can be dangerous to the planet.
(c) Science is the cause of all our modern ills.
(d) Without science, we would still be living in caveman days in primitive dwellings.

3. In 2003, NASA came up with an estimated age of the universe. What was it?
(a) 731 trillion years.
(b) 103.5 million years.
(c) 13.7 billion years.
(d) 35 million years.

4. Scientists are aware of at least how many galaxies in the universe?
(a) 110 thousand.
(b) 20 million.
(c) 140 billion.
(d) 90 trillion.

5. Vesto Slipher's work at the Lowell Observatory in Arizona led him to discover that distant stars are moving away from us, with the farthest stars moving the fastest, suggesting that the universe is:
(a) Oscillating.
(b) Stable.
(c) Shrinking.
(d) Expanding.

Short Answer Questions

1. Astronomer Edmond Halley approached mathematician Sir Isaac Newton to get his help figuring out why planets:

2. About how many stars can be seen from Earth using a two-inch telescope?

3. Halley believed that once scientists figured out the distance from the sun to the Earth, they could then calculate what?

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

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

(see the answer key)

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