|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. Which of the following is NOT one of the ways that Sagan says life seems to be?
2. What does Neptune's moon have less of compared to Titan?
3. What does Sagan say is an easy way to visually identify planets?
(a) Their size.
(b) The color of their atmospheres.
(c) Their movements.
(d) Their brightness.
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) What humanity's future is.
(c) How humans can explore space.
(d) Why humans should explore space.
5. Which other nation besides the United States led the way in space exploration?
(b) The Soviet Union.
6. Many of organic molecules arrived on Earth from what source?
(b) Space dust.
7. What is one trait of human beings that Sagan cites as being responsible for our belief in our importance in the universe?
8. What space probe was an important part of Sagan's career, and passed by a major planet in 1976?
9. In what way is Titan's cold atmosphere an advantage for the formation of life?
(a) It protects its inner core from tidal forces.
(b) It helps certain compounds form quickly.
(c) It causes molecules to stay on its surface.
(d) It provides shields the moon from solar rays.
10. What scientist is well-known for writing about the differences between species of animals?
11. What did ancient people notice about planets that set them apart from the stars?
(a) They had complex motions and were not fixed.
(b) They were much larger.
(c) They had unique colors.
(d) They grew closer from time to time.
12. Sagan expects both Voyager spacecrafts to continue to broadcast data through what year?
13. Kuiper discovered that Titan has what chemical vital to the development of life?
14. Besides the Voyager spacecraft, what does Sagan cite as a major triumph by NASA?
(a) The Gemini project.
(b) The Mars rovers.
(c) The moon landings.
(d) The Hubble Telescope.
15. What does Sagan claim is the key element of humanity's future?
(b) Faster than light travel.
(c) Distant worlds.
(d) Deep space travel.
Short Answer Questions
1. What type of waves could be analyzed to demonstrate that there is intelligent life on Earth?
2. The Voyager probes found large amounts of what element on Titan?
3. What was Neptune's position in the solar system as of the writing of this book?
4. In Chapter 5 Sagan asks the reader to imagine that they are which of the following?
5. Where does Sagan think that life will most likely be eventually found?
This section contains 480 words
(approx. 2 pages at 300 words per page)