Our Solar System Part One
- 1. Which is a tool that astronomers use?
A) optical telescope
B) moon
C) hammer
D) stethaschopenhagen
- 2. Which is a tool that astronomers use?
A) radio telescope
B) steth seeker
C) optical probe
D) porsle sight
- 3. The optical teleschope was invented about how long ago?
A) 300 years ago
B) 400 years ago
C) 100 years ago
D) 200 years ago
- 4. A radio teleschope collects what?
A) music
B) sound waves
C) pictures of outerspace.
D) radio waves
- 5. What is something doing when it circles another object? It is.....
A) rotating
B) orbiting
C) circling
D) day
- 6. What is a force that pulls objects to each other?
A) solar sytem
B) rotate
C) gravity
D) orbit
- 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) 10 (counting the sun)
C) eight
D) 365 days
- 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) Mercury
B) Pluto
C) Earth
D) Venus
- 12. Which planet is the biggest?
A) Earth
B) Sun
C) Jupiter
D) Mercury
- 14. The solar system includes the planets that orbit _______.
A) once a year
B) moons
C) the sun
D) nine planets
- 15. We first landed on the moon in.....
A) We haven't yet.
B) 1996
C) 1969
D) 2008
- 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) month
B) week
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) Gibbious
D) crescent
- 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) pinpong ball
B) balloon
C) tennis ball
D) soccerball
- 20. The most common landforms on the moon are__________.
A) craters
B) mountians
C) lakes
D) rocks
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