-A meteoroid is a small, rocky or metal object that orbits the sun. Meteoroids range in size from pebble sized to several feet across.

Meteor

- When a meteoroid enters Earth's atmosphere it is heated by friction with the air molecules and begins to glow creating a streak of light in sky - this is a Meteor

Meteorite

-If a meteoroid survives its passage through the atmosphere and lands on the Earth's surface, it is called a meteorite.