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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5, Is There Intelligent Life on Earth?, Chapter 6, The Triumph of Voyager.

Multiple Choice Questions

1. What planet did Sagan spend a great deal of time studying when an important space probe passed near it in 1976?
(a) Mercury.
(b) Saturn.
(c) Venus.
(d) Mars.

2. Which other nation besides the United States led the way in space exploration?
(a) France.
(b) China.
(c) The Soviet Union.
(d) Japan.

3. Sagan says that which of the following is the most immediately obvious thing about the Earth?
(a) Its geological features.
(b) Its meteorological features.
(c) The existence of intelligent life.
(d) The existence of life.

4. What major change have humans made to the environment that would be easily detectable from space?
(a) Desertification.
(b) The Three-Gorges dam.
(c) The destruction of the rainforests.
(d) The pollution of rivers and lakes.

5. How does Sagan say that science relates to the existence of a divine being?
(a) Science does not require such a being.
(b) Science disproves that divine beings can interact with the universe.
(c) Science explicitly denies such a being can exist.
(d) Science allows for divine beings and miraculous events.

Short Answer Questions

1. How does Sagan describe his reaction to the difficulties in detecting human life and intelligence on Earth from space?

2. In Chapter 5 Sagan asks the reader to imagine that they are which of the following?

3. Sagan suggest that modern religious thinking treats scientific evidence in what way?

4. What type of waves could be analyzed to demonstrate that there is intelligent life on Earth?

5. What scientist is credited with making the first discoveries that caused problems for the geocentric theory?

(see the answer key)

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