Our Solar System Part One
- 1. Which is a tool that astronomers use?
A) optical telescope
B) stethaschopenhagen
C) hammer
D) moon
- 2. Which is a tool that astronomers use?
A) steth seeker
B) optical probe
C) porsle sight
D) radio telescope
- 3. The optical teleschope was invented about how long ago?
A) 200 years ago
B) 100 years ago
C) 300 years ago
D) 400 years ago
- 4. A radio teleschope collects what?
A) radio waves
B) sound waves
C) music
D) pictures of outerspace.
- 5. What is something doing when it circles another object? It is.....
A) orbiting
B) day
C) rotating
D) circling
- 6. What is a force that pulls objects to each other?
A) solar sytem
B) orbit
C) gravity
D) rotate
- 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) day
B) year
- 9. There are _________ planets in the solar system.
A) nine
B) 365 days
C) eight
D) 10 (counting the sun)
- 10. Every time the Earth orbits the sun, one _________ goes by
A) month
B) year
C) week
D) day
- 11. Which planet is closest to the sun?
A) Pluto
B) Venus
C) Earth
D) Mercury
- 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) moons
C) nine planets
D) the sun
- 15. We first landed on the moon in.....
A) 1969
B) 2008
C) We haven't yet.
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) 24 hours
B) week
C) month
D) 366 days during a leap year
- 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) pinpong ball
C) tennis ball
D) balloon
- 20. The most common landforms on the moon are__________.
A) lakes
B) rocks
C) mountians
D) craters
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