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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. According to Sagan, which of the following was the most notable historical tool that humans used to explore the world?
(a) The Wheel.
(b) Roads.
(c) Compasses.
(d) Ships.

2. What is the constituent particle of light?
(a) The photon.
(b) The electron.
(c) The neutrino.
(d) The neutron.

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

4. In the analogy Sagan makes in Chapter 5 the reader is asked to imagine they are seeing Earth from what perspective?
(a) Very close up.
(b) For the first time.
(c) From an immense distance.
(d) From a distorted frame of reference.

5. Sagan suggest that modern religious thinking treats scientific evidence in what way?
(a) It blatantly disregards the evidence.
(b) It intrudes on the evidence.
(c) It makes no statements about the evidence.
(d) It is cautious about the evidence.

Short Answer Questions

1. What visual resolution would be required to determine that humans are related to the intelligence on Earth?

2. What strange motion do all of the stars in the sky exhibit?

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

4. What major change have humans made to the environment that would be easily detectable from space?

5. What is notable about the Sun's light in Sagan's distant picture of the Earth?

(see the answer key)

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