What are asteroids, meteors, comets, and moons?

1. A rocky mass up to several hundred kilometers wide that revolves around the sun, and is smaller than planet but larger than meteoroids.

• asteroid
• comet
• dwarf planet

2. A large, round object that revolves around the sun but has not cleared the region around its orbit

• asteroid
• comet
• dwarf planet
• meteors

3. A frozen mass of different types of ice and dust orbiting the sun

• asteroid
• comet
• dwarf planet
• meteors

4. A meteor that survives its trip through Earth’s atmosphere and lands on the Earth’s surface

• asteroid
• comet
• meteorite
• meteors

5. A space rock that enters Earth’s atmosphere, and often called a shooting star

• asteroid
• comet
• meteorite
• meteor

6. A natural object that orbits a body bigger than itself

• moon
• asteroid
• meteorite
• meteor

7. TRUE of FALSE: A meteor shower can happen when a meteor passes through the orbit of a comet.

• TRUE
• FALSE

8. TRUE of FALSE: Like planets, a dwarf planet can have moons.

• TRUE
• FALSE

9. TRUE of FALSE: Most of the asteroids do not hit Earth because of Jupiter's gravity.

• TRUE
• FALSE

10. TRUE of FALSE: The moons in the solar system are very different from one another.

• TRUE
• FALSE