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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 does Sagan suggest that cavemen were usually looking for when they wandered?
(a) Shelter.
(b) Mates.
(c) Food.
(d) New territory.

2. What does Sagan claim is the key element of humanity's future?
(a) Terraforming.
(b) Deep space travel.
(c) Distant worlds.
(d) Faster than light travel.

3. Sagan suggests that throughout history, many have claimed that our species is what?
(a) Worthless.
(b) Unique.
(c) Irredeemable.
(d) Essentially good.

4. Which of the following is NOT one of the major unknowns that Sagan says he will address in this book?
(a) Whether or not there is intelligent life on nearby planets.
(b) How humans can explore space.
(c) What humanity's future is.
(d) Why humans should explore space.

5. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?
(a) Creativity.
(b) Insecurity.
(c) Ignorance.
(d) Industry.

Short Answer Questions

1. Sagan describes humans as which of the following, with respect to their arrival in the universe?

2. How old does Sagan state that "fundamentalist monotheists" believe the Earth to be?

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

4. Besides the Voyager spacecraft, what does Sagan cite as a major triumph by NASA?

5. How many planets were known to ancient people?

(see the answer key)

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