View a FREE sample

This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What is the primary distinguishing feature that SETI looks for to identify a communication from an intelligent source?
(a) Prime Numbers.
(b) Repetition.
(c) Design parameters.
(d) Mathematical constants.

2. CFCs are chemicals that is primarily hazardous to the environment in what area?
(a) The biosphere.
(b) The ozone-layer.
(c) The lithosphere.
(d) The stratosphere.

3. At the time this book was written, about how many asteroids were known to have paths that take them close to the Earth?
(a) 2000.
(b) 500.
(c) 200.
(d) 1000.

4. About how large a percentage of the mass of the total universe does dark matter make up?
(a) Thirty percent.
(b) Ninety percent.
(c) Five percent.
(d) Sixty percent.

5. What is the primary way that humans add carbon dioxide to the atmosphere?
(a) Carburetor emissions.
(b) Burning fossil fuels.
(c) Drilling for natural gas and oil.
(d) Heavy industry byproducts.

Short Answer Questions

1. Mars apparently once had what resource?

2. What was the name of the mission that sent the first probes to Venus?

3. What planet in the solar system obviously suffers from a severe greenhouse gas effect?

4. Sagan suggests that humans could live and thrive around what unusual type of star?

5. Which of the following is NOT one of the missions that observed Venus using radar telescopes?

Short Essay Questions

1. What does Sagan think were the major upsides of the Apollo missions?

2. Why does Sagan believe it is unlikely that a manned mission to Mars will be carried out in the near future?

3. What promising signs does Mars have for being host to life?

4. What types of strategies are most practical for stopping an Earth-bound asteroid?

5. How does Sagan believe that humanity will progress in the next hundred or so generations?

6. What profit motivations exist in a manned mission to Mars?

7. What resources does Sagan believe that carbon asteroids have that make them suitable for human habitation?

8. Why does Sagan suggest that space exploration aids in protecting the planet?

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

10. How could planetary tides pull a small planet apart?

(see the answer keys)

This section contains 696 words (approx. 3 pages at 300 words per page) View a FREE sample