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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 13, The Gift of Apollo, Chapter 14, Exploring Other Worlds and Protecting This One.

Multiple Choice Questions

1. What visual resolution would be required to determine the existence of intelligent life on Earth?
(a) 10 cm.
(b) 1 meter.
(c) 1,000 meters.
(d) 100 meters.

2. What does the Geocentric theory state?
(a) The sun moves around the Earth.
(b) The Earth is a flat disc.
(c) The planets and heavens are all fixed.
(d) The Earth moves in a perfect circle.

3. According to Sagan, what was the major advantage of the attitude of the government towards the Apollo project?
(a) There was plenty of funding for space.
(b) Rocket science progressed quickly.
(c) New propulsion systems were developed.
(d) Computers advanced in power rapidly.

4. What does Neptune's moon have less of compared to Titan?
(a) Ice.
(b) Potassium.
(c) Carbon.
(d) Iron.

5. Sagan compares the human need for religion to what?
(a) An injured person's need for aid.
(b) A blind person's need for a cane.
(c) An infant's need for a parent.
(d) A man's need for water.

Short Answer Questions

1. Which of the following does Sagan NOT cite as evidence for the age of the universe?

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

3. Sagan suggests that the image of the "pale blue dot" teaches the need for what?

4. What is the farthest orbital location that humans have ventured to since the last time men went to the moon?

5. CFCs are chemicals that is primarily hazardous to the environment in what area?

(see the answer key)

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