Our Solar System Part One
- 1. Which is a tool that astronomers use?
A) stethaschopenhagen
B) moon
C) hammer
D) optical telescope
- 2. Which is a tool that astronomers use?
A) optical probe
B) porsle sight
C) steth seeker
D) radio telescope
- 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) pictures of outerspace.
B) music
C) sound waves
D) radio waves
- 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) solar sytem
C) orbit
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) 365 days
B) 10 (counting the sun)
C) eight
D) nine
- 10. Every time the Earth orbits the sun, one _________ goes by
A) year
B) day
C) month
D) week
- 11. Which planet is closest to the sun?
A) Pluto
B) Mercury
C) Venus
D) Earth
- 12. Which planet is the biggest?
A) Mercury
B) Sun
C) Jupiter
D) Earth
- 14. The solar system includes the planets that orbit _______.
A) once a year
B) nine planets
C) the sun
D) moons
- 15. We first landed on the moon in.....
A) 1969
B) 2008
C) 1996
D) We haven't yet.
- 16. How many phases ore there in a moon?
A) 4
B) 8
C) 10
- 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) crescent
C) Gibbious
D) full
- 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) tennis ball
B) balloon
C) pinpong ball
D) soccerball
- 20. The most common landforms on the moon are__________.
A) craters
B) mountians
C) rocks
D) lakes
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