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