A demonstration of how a source of light is required to see objects in the dark.
A practical demonstration of how the Earth rotates on its axis to create day and night.
A demonstration of how particles vibrate and collide with one another to create sound.
Bill Oddie explains how to recognise different bird songs.
A montage of images showing everyday examples of light and shadows.
A boy explores the lights sources in his bedroom at night.
Two experiments are used to demonstrate how light travels in straight lines.
Using pieces of string to produce sounds with different pitches.
We have a selection of learner guides