Our Solar System Part One
- 1. Which is a tool that astronomers use?
A) moon
B) hammer
C) stethaschopenhagen
D) optical telescope
- 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) 400 years ago
B) 300 years ago
C) 100 years ago
D) 200 years ago
- 4. A radio teleschope collects what?
A) pictures of outerspace.
B) music
C) radio waves
D) sound waves
- 5. What is something doing when it circles another object? It is.....
A) circling
B) day
C) orbiting
D) rotating
- 6. What is a force that pulls objects to each other?
A) gravity
B) orbit
C) rotate
D) solar sytem
- 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) 365 days
B) nine
C) 10 (counting the sun)
D) eight
- 10. Every time the Earth orbits the sun, one _________ goes by
A) week
B) month
C) day
D) year
- 11. Which planet is closest to the sun?
A) Pluto
B) Venus
C) Earth
D) Mercury
- 12. Which planet is the biggest?
A) Sun
B) Jupiter
C) Earth
D) Mercury
- 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) 1996
C) We haven't yet.
D) 2008
- 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) 366 days during a leap year
B) week
C) 24 hours
D) month
- 18. When the moon looks like a thick eyelash it is called a _____________ moon.
A) Gibbious
B) crater
C) crescent
D) full
- 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) pinpong ball
B) balloon
C) soccerball
D) tennis ball
- 20. The most common landforms on the moon are__________.
A) rocks
B) lakes
C) mountians
D) craters
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