What is light?

Light comes from different sources, like lamps, bulbs and the sun. Find out more about how light travels.

What is reflection?

When light hits an object it is reflected (bounces back) and enters our eyes. Find out about different reflective surfaces and how we see things.

How does the eye detect light?

Light bounces off some surfaces. But light travels right into your eye. Explore how your eye detects light.

18 Classroom videos

We have a selection of great videos for use in the classroom