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