- 1. Which is a tool that astronomers use?
A) stethaschopenhagen B) hammer C) moon D) optical telescope
- 2. Which is a tool that astronomers use?
A) optical probe B) steth seeker C) radio telescope D) porsle sight
- 3. The optical teleschope was invented about how long ago?
A) 200 years ago B) 300 years ago C) 400 years ago D) 100 years ago
- 4. A radio teleschope collects what?
A) radio waves B) pictures of outerspace. C) music D) sound waves
- 5. What is something doing when it circles another object? It is.....
A) orbiting B) rotating C) day D) circling
- 6. What is a force that pulls objects to each other?
A) solar sytem B) gravity C) orbit D) rotate
- 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) eight B) 365 days C) 10 (counting the sun) D) nine
- 10. Every time the Earth orbits the sun, one _________ goes by
A) month B) day C) week D) year
- 11. Which planet is closest to the sun?
A) Venus B) Mercury C) Earth D) Pluto
- 12. Which planet is the biggest?
A) Sun B) Earth C) Mercury D) Jupiter
- 14. The solar system includes the planets that orbit _______.
A) moons B) once a year C) the sun D) nine planets
- 15. We first landed on the moon in.....
A) 2008 B) 1996 C) 1969 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) month B) week C) 24 hours D) 366 days during a leap year
- 18. When the moon looks like a thick eyelash it is called a _____________ moon.
A) crater B) crescent C) full D) Gibbious
- 19. If Earth were the size of a basketball, the moon would be about the size of a ________________.
A) soccerball B) balloon C) tennis ball D) pinpong ball
- 20. The most common landforms on the moon are__________.
A) rocks B) craters C) lakes D) mountians
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