Pale Blue Dot: A Vision of the Human Future in Space Test | Lesson Plans Mid-Book Test - Hard

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Mid-Book Test - Hard

Name: _________________________ Period: ___________________

This test consists of 5 short answer questions, 10 short essay questions, and 1 (of 3) essay topics.

Short Answer Questions

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

2. What does Neptune's moon have less of compared to Titan?

3. Sagan suggests that throughout history, many have claimed that our species is what?

4. What is Neptune's largest moon?

5. Who was the first to discover moons around another planet?

Short Essay Questions

1. How has the attitude of the Catholic church towards Galileo changed over time?

2. What location in the solar system either have or are believed to have once had volcanoes?

3. What is the problem of perspective in estimating the importance of human beings?

4. What is the purpose of SETI and how does it operate?

5. What does Sagan believe would be necessary for the safety of the human race to be secured?

6. What does Sagan believe black holes have to offer?

7. What would be the first things an alien visitor to Earth would notice about the planet?

8. Briefly describe the progress made to undermine the geocentric theory.

9. What does the image of the "pale blue dot" suggest to Sagan?

10. How did ancient people know about the planets?

Essay Topics

Essay Topic 1

The heliocentric theory was developed by Copernicus, Galileo, and others, and uprooted the dogmatically endorsed geocentric theory, forever changing the nature of scientific thought in the West.

1) Describe heliocentric theory and the scientists who proposed and developed it.

2) Explain some of the abnormalities and observations that lent support to the heliocentric theory.

3) Discuss the reasons that Sagan believes heliocentric theory was opposed by the church.

4) Describe the impact of the victory of the heliocentric theory over the geocentric model on scientific thinking in the West.

Essay Topic 2

Sagan discusses the a manned mission to Mars as a desirable first step in extending the human race out beyond the Earth but identifies many practical problems with any proposed plan.

1) Explain why Sagan believes that a manned mission should be sent to the planet Mars.

2) Discuss some of the proposals for such a mission, what their aims would be, and how they would be carried out technically.

3) Describe the practical difficulties that Sagan outlines and how they could be overcome.

Essay Topic 3

Saturn is known for its beautiful ring system, although at the time this book was written, it was not known how or why planets formed rings.

1) Describe the planet Saturn, its ring system, and its moons.

2) Summarize some of the important information that the Voyager probes gleaned from their passage of the planet.

3) Discuss how planetary tidal forces are believed to contribute to the formation of ring systems.

(see the answer keys)

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