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Visitors from Space Comprehension
Contributed by: Moore
  • 1. The main purpose of this selection is to tell about________.
A) when the next solar system will appear in the universe
B) how to become an astronomer and learn to write books.
C) what comets are made of and how they move and change
D) traveling comets that can change our lives
  • 2. This selection is most like an informational book because it _____.
A) took place long ago
B) tells how to make something
C) is written in the first person
D) gives information about the solar system
  • 3. What does a comet look like in the sky?
A) a group of stars
B) the sun
C) a flaming ball
D) a full moon
  • 4. Long ago, why did people think a comet was a warning of something bad?
A) Earthquakes and floods occurred after a comet appeared.
B) Comets appeared in the sky suddenly.
C) Bad things always happened after a comet appeared.
D) People did not understand comets.
  • 5. The gas in the comet's coma can be compared to the gas in a ____________.
A) solar wind
B) fluorescent light bulb
C) dirty snowball
D) shooting star
  • 6. Scientists who study the planets and stars are called ___.
A) dentists
B) astronomers
C) doctors
D) astronauts
  • 7. Where do scientists think a huge cloud of comets might be?
A) behind the moon
B) past the farthest planet
C) between the planets
D) around the sun
  • 8. The force that connects the solar system to the sun is called ______.
A) gravity
B) a planet
C) an asteroid
D) a coma
  • 9. What is the name of the "flying rocks" in our solar system?
A) comets
B) boulders
C) meteors
D) asteroids
  • 10. A comet starts out as ______.
A) a star
B) a large rock
C) chunks of ice
D) a ball of frozen gases
  • 11. The tails of comets are made of ______.
A) dust
B) ice
C) gas and dust
D) rocks
  • 12. What is the name for the orbits that comets take around the sun?
A) periods
B) years
C) ellipses
D) loops
  • 13. What is one thing that makes a comet glow?
  • 14. What is a comet tail?
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