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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 form do the materials that planets emerge from take before they coalesce into proto-planets?
(a) A disc.
(b) A sphere.
(c) A cloud.
(d) A star.

2. Where does Sagan think it is most likely that life will be found on Mars?
(a) On the surface.
(b) In the subsurface rock.
(c) In the ice at the poles.
(d) In salt caverns.

3. What does Sagan say is an easy way to visually identify planets?
(a) Their movements.
(b) The color of their atmospheres.
(c) Their brightness.
(d) Their size.

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

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

Short Answer Questions

1. Why does Sagan say that Mars is a more desirable target for human exploration than the moon?

2. Sagan uses what term to describe a theology that requires God to intentionally mislead human scientists?

3. At the time this book was written, how many planets were known to exist around other stars?

4. What is the most important thing that would immediately be apparent to any alien intelligence that found the Voyager probes?

5. What role does Sagan suggest that religion has played in the development of science?

(see the answer key)

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