Comets, Asteroids, and Meteoroids

A small space rock that makes it into Earth’s surface without burning up is called a ...

• Meteor
• Meteoroid
• Asteroid
• Meteorite

Which space object is larger?

• Asteroid
• Meteoroid

If an asteroid was headed straight toward Earth, should we be worried?

• YES! 
• nope!

If a meteoroid was headed straight toward Earth, should we be worried?

• YES!
• nope!

Where do meteoroids NOT occur?

• Throughout the solar system
• In the asteroid belt
• On Earth

Meteors are incorrectly called what?

• Falling stars
• Shooting stars
• Fireballs
• All of the above

A meteoroid can be a piece of what?

• The Moon or Mars
• An asteroid
• A comet
• All of the above

What is a comet's nucleus made out of?

• Ice
• Rock
• Dust
• All of the above

What is the very core of a comet called?

• Coma
• Comet
• Nucleus
• Hydrogen Cloud

What is the layer that surrounds the nucleus of the comet called?

• Coma
• Hydrogen Cloud
• Outer nucleus
• Asteroid