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