Asteroid Belt

Between 10,000 and 50,000

Between 5000,000 and 750,000

Between 750,000 and 1 million

More than 1 million

Between Mars and Jupiter

Between Earth and Venus

Between Jupiter and Saturn

Between Mercury and Venus

Lopsided

Polygonal

Spherical

Similar

They have oxygen-rich atmosphere

They rotate around a central axis

Many of them contain liquid water

They're made mostly of magnesium

They're much older than the rest of the solar system

They're older than the sun, by younger than the planets

They're about the same age as the rest of the solar system

They're much younger than the rest of the solar system

Rocky

Gaseous

Liquid

Metallic

Because there is a good chance they may destroy the planet

Because they may provide a good source of water in the future

Because they contain rare elements not found on Earth

To better understand of the origins of the solar system

The oxygen trapped inside them ignites in the presence of nitrogen

Because they are covered in an extremely flammable material

Heat is created by friction between the asteroid and the atmosphere

The sun's UV rays ignite them when they pass through the ozone layer

Meteors burn up in the earth's atmosphere; meteorites strike the earth.

Meteors are found throughout the solar system; meteorites are found only in the asteroids belt.

Meteors are similar to comets; meteorites are similar to dwarf planets.

Meteors are much larger than meteorites.

It has a satellite revolving around it

It rotates on its axis

It revolves around the sun

It's much larger than all other asteroids