- 1. Which is a tool that astronomers use?
A) optical telescope
B) hammer
C) stethaschopenhagen
D) moon
- 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) 100 years ago
B) 300 years ago
C) 400 years ago
D) 200 years ago
- 4. A radio teleschope collects what?
A) radio waves
B) music
C) sound waves
D) pictures of outerspace.
- 5. What is something doing when it circles another object? It is.....
A) circling
B) rotating
C) day
D) orbiting
- 6. What is a force that pulls objects to each other?
A) rotate
B) gravity
C) solar sytem
D) orbit
- 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) 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) week
C) year
D) month
- 11. Which planet is closest to the sun?
A) Venus
B) Earth
C) Mercury
D) Pluto
- 12. Which planet is the biggest?
A) Sun
B) Mercury
C) Earth
D) Jupiter
- 14. The solar system includes the planets that orbit _______.
A) once a year
B) the sun
C) moons
D) nine planets
- 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) 4
C) 10
- 17. It takes about one ___________ for the moon to orbit the Earth.
A) month
B) week
C) 24 hours
D) 366 days during a leap year
- 18. When the moon looks like a thick eyelash it is called a _____________ moon.
A) crescent
B) crater
C) full
D) Gibbious
- 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) pinpong ball
B) soccerball
C) tennis ball
D) balloon
- 20. The most common landforms on the moon are__________.
A) craters
B) mountians
C) lakes
D) rocks
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