Our Solar System Part One
  • 1. Which is a tool that astronomers use?
A) moon
B) stethaschopenhagen
C) optical telescope
D) hammer
  • 2. Which is a tool that astronomers use?
A) porsle sight
B) radio telescope
C) optical probe
D) steth seeker
  • 3. The optical teleschope was invented about how long ago?
A) 400 years ago
B) 200 years ago
C) 100 years ago
D) 300 years ago
  • 4. A radio teleschope collects what?
A) sound waves
B) music
C) pictures of outerspace.
D) radio waves
  • 5. What is something doing when it circles another object? It is.....
A) day
B) circling
C) rotating
D) orbiting
  • 6. What is a force that pulls objects to each other?
A) orbit
B) rotate
C) solar sytem
D) gravity
  • 7. What is the time that it takes the Earth to circle the sun once?
A) year
B) day
  • 8. What is the time that it takes the Earth to spin around once?
A) year
B) day
  • 9. There are _________ planets in the solar system.
A) nine
B) eight
C) 10 (counting the sun)
D) 365 days
  • 10. Every time the Earth orbits the sun, one _________ goes by
A) month
B) week
C) year
D) day
  • 11. Which planet is closest to the sun?
A) Earth
B) Mercury
C) Pluto
D) Venus
  • 12. Which planet is the biggest?
A) Earth
B) Jupiter
C) Mercury
D) Sun
  • 13. The moon shines.
A) True
B) False
  • 14. The solar system includes the planets that orbit _______.
A) once a year
B) nine planets
C) moons
D) the sun
  • 15. We first landed on the moon in.....
A) 1969
B) 1996
C) We haven't yet.
D) 2008
  • 16. How many phases ore there in a moon?
A) 10
B) 4
C) 8
  • 17. It takes about one ___________ for the moon to orbit the Earth.
A) 366 days during a leap year
B) week
C) month
D) 24 hours
  • 18. When the moon looks like a thick eyelash it is called a _____________ moon.
A) crescent
B) full
C) Gibbious
D) crater
  • 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) pinpong ball
B) balloon
C) tennis ball
D) soccerball
  • 20. The most common landforms on the moon are__________.
A) craters
B) mountians
C) rocks
D) lakes
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