Space Junk

A meteorite is DIFFERENT from a comet mainly because

• has a tail of ice and gas
• is found in orbit between Jupiter and Mars
• enters the Earth's atmoshere
• has a nucleus mad of rock and snow.

Sometimes I am called a "dirty snowball". I have a hydrogen cloud, coma, and a nucleus. I am invisible except when near the sun. What am I?

• Asteroid
• Star
• Meteor
• Comet

We are composed mainly of rock and metal.

• comets and stars
• stars and meteors
• asteroid and meteors
• comets and asteroid

I am a rock entering a planet's atmosphere.

• meteor
• meteorite
• asteroid
• comet

What do comets orbit

• The Stars
• The Planets
• The Sun
• Earth

When a meteor hits Earth, what is it called?

• meteorite
• meteroid
• meteor
• Earth

Huge chunks of rock and metal (some measuring miles wide) and are believed to be left-over pieces of planets and moons are called:

• Comets
• Meteors
• Asteroids
• Meteroids

Asteroids "hang out" in our solar system in a place called:

• The Kupier Belt
• The Oort Cloud
• The Planetary Rings
• The Asteroid Belt

^{Objects made of ice, gas and dust and orbit our sun are called:}

• Asteroids
• Comets
• Meteroids
• Meteors

What causes meteors to burn up in our atmosphere?

• Heat from the Sun
• Heat from Earth's atmosphere
• They are already so hot that our atmosphere can't handle it
• Friction from the Earth's atmosphere