Our Solar System Part One
- 1. Which is a tool that astronomers use?
A) moon B) stethaschopenhagen C) optical telescope D) hammer
- 2. Which is a tool that astronomers use?
A) optical probe B) radio telescope C) steth seeker D) porsle sight
- 3. The optical teleschope was invented about how long ago?
A) 300 years ago B) 400 years ago C) 200 years ago D) 100 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) day B) circling C) orbiting D) rotating
- 6. What is a force that pulls objects to each other?
A) gravity B) solar sytem C) rotate 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) year B) day
- 9. There are _________ planets in the solar system.
A) eight B) nine C) 365 days D) 10 (counting the sun)
- 10. Every time the Earth orbits the sun, one _________ goes by
A) month B) week 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) Jupiter B) Sun C) Earth D) Mercury
- 14. The solar system includes the planets that orbit _______.
A) the sun B) moons C) once a year D) nine planets
- 15. We first landed on the moon in.....
A) 2008 B) 1969 C) 1996 D) We haven't yet.
- 16. How many phases ore there in a moon?
A) 4 B) 10 C) 8
- 17. It takes about one ___________ for the moon to orbit the Earth.
A) week B) 366 days during a leap year C) month D) 24 hours
- 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) soccerball B) pinpong ball C) tennis ball D) balloon
- 20. The most common landforms on the moon are__________.
A) craters B) rocks C) lakes D) mountians
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