Comets, Asteroids & Meteors

Where are Asteroids found in the Solar System?

• Between Earth and Mars
• In the Oort Cloud beyond Neptune
• In the Asteroid Belt between Mars and Jupiter
• Close to the Sun

What are comets made of?

• Metals like iron and nickel
• Gas
• Hydrogen Gas
• Ice and rock

The orbit of comets is which shape?

• Circular
• Elliptical/Oval
• Comets do not orbit the Sun

Where do most comets come from?

• In the Kuiper Belt & Oort Cloud beyond Neptune's orbit

• In the Asteroid Belt between Mars and Jupiter

• Near the Sun

• Earth's atmosphere

A light streaking across the night sky is classified as a/an....

• Meteorite
• Asteroid
• Comet
• Meteor

Most meteors entering Earth's atmosphere are how big?

• A grain of sand or small pebble

• Size of a car

• Size of a football field

• State of Arizona

In the diagram, a comet's tail always points where?

• Towards the Sun
• Away from the Sun
• Towards Earth
• Away from Earth

Meteorites...

•  hit the ground
• burn up completely in the atmosphere
• debris from asteroids/comets that float around in space

Meteors...

• burn up completely in the atmosphere producing streaks of light
• hit the ground
• debris from asteroids/comets floating around in space

We are composed mainly of rock and metal.

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