- 1. How many inner planets are there?
A) three B) five C) four D) six
- 2. The planet closest to the sun is......?
A) Mercury B) Earth C) Venus D) Mars
- 3. This inner planet has two moons.
A) Mars B) Earth C) Venus D) Mars
- 4. Which planet is known as the "Red Planet?"
A) Mars B) Earth C) Venus D) Mars
- 5. Venus has yellow-white clouds of _________.
A) water B) acid C) salt D) liquid
- 6. ______ is the only planet with life.
A) Earth B) Mars C) Earth D) Venus
- 7. What planet had a storm of winds called the Great Red Spot?
A) Saturn B) Neptune C) Jupiter D) Uranus
- 8. Which planet is the farthest from the sun?
A) Neptune B) Uranus C) Pluto D) Mercury
- 9. ___________ has rings and 8 moons.
A) Jupiter B) Neptune C) Saturn D) Uranus
- 10. Astronomers call most of the outer planets ________.
A) giants B) gasses C) ring planets D) cold
 A) Saturn B) Pluto C) Uranus D) Jupiter
- 12. What planet has the most moons?
A) Neptune B) Jupiter C) Uranus D) Saturn
- 13. What planet comes after Jupiter
A) Uranus B) Neptune C) Mars D) Saturn
- 14. What are icy objects that orbit the sun in long paths shaped like ovals?
A) asteroids B) meteoroids C) comets
- 15. What are huge pieces of rock or metal that orbit the sun?
A) asteroids B) meteoroids C) comets
- 16. What are shooting stars?
A) meteors B) asteroids C) comets
- 17. What are meteors called with they enter the Earth's atmosphere and burn up?
A) asteroids B) meteoroids C) comets
- 18. What planets is the asteroid belt located?
A) Uranus and Pluto B) Jupiter and Mars C) Jupiter and Saturn D) Earth and Mars
- 19. Astromoers sometimes call ___________ "dirty snowballs."
A) meteors B) asteroids C) comets
- 20. When at meteoroid falls to the ground, it is called a ____________.
A) meteorite B) meteoroidite C) asteroid D) meteor
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