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