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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 15, The Gates of the Wonder World Open, Chapter 16, Scaling Heaven.

Multiple Choice Questions

1. What does Martian soil seem to contain?
(a) Organic material.
(b) Ice.
(c) Methane.
(d) Oil.

2. When does Sagan think that the human race will be "on its way"?
(a) When we reach another star.
(b) When we begin colonizing other planets.
(c) When we begin living in space.
(d) When we make contact with another intelligent species.

3. Where does Sagan think that life will most likely be eventually found?
(a) Deep space.
(b) Earth-like planets around other stars.
(c) A moon in the solar system.
(d) Mars.

4. What type of Mars mission did President Reagan turn down?
(a) A robotic colony-building mission.
(b) A joint mission with the Soviets.
(c) A manned orbital mission.
(d) A one-way colonization mission.

5. What does Neptune posses at its core that Uranus apparently lacks?
(a) Iron.
(b) Silicon.
(c) A solid surface.
(d) A heat source.

Short Answer Questions

1. What did Galileo demonstrate?

2. How are chunks of Martian rock studied on Earth?

3. How much bigger is Neptune than Earth?

4. What element does Sagan say motivated the space programs of the 60s and 70s?

5. Which of the following is one of the "great demotions" that Sagan cites?

(see the answer key)

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