What Are Asteroids?

How are asteroids in our Solar System formed, where are they found, and what danger do they pose to life on Earth?

Physics - Our Solar System - Learning Points.

Asteroids are made from rock, metal or carbon, while comets are made of rock and ice.
Millions of asteroids form a belt between the orbits of Mars and Jupiter.
Asteroids that come close to our planet are called near-Earth objects.
An asteroid hitting Earth may have wiped out the dinosaurs 65 million years ago.

A Twig Context Film.
Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.