A torch as a light source

A demonstration of how a source of light is required to see objects in the dark.

How do we get day and night?

A practical demonstration of how the Earth rotates on its axis to create day and night.

How does sound travel through air?

A demonstration of how particles vibrate and collide with one another to create sound.

How to identify birds from their songs

Bill Oddie explains how to recognise different bird songs.


An animation that explores light sources, reflections, shadows and darkness.

Light and shadow (clip compilation)

A montage of images showing everyday examples of light and shadows.

Light sources in your bedroom at night

A boy explores the lights sources in his bedroom at night.

Light travels in straight lines

Two experiments are used to demonstrate how light travels in straight lines.

Making sounds with different pitches

Using pieces of string to produce sounds with different pitches.

Seeing in the dark - reflective materials

Wee Willie Winkie investigates light and reflective materials.

7 learner guides

We have a selection of learner guides