A widespread activity is to make a rough measurement of the speed of sound by timing the gap between making a sound and...

Classroom Activity 5-11 11-14

Clap your hands not too far from a big wall and you can hear both the original clap and, shortly afterwards, its echo. What is...

Physics Narrative 5-11 11-14

Sound can travel through any medium, so long as there are sufficient particles in each cubic metre to allow the to and fro...

Physics Narrative 5-11 11-14

Pupils need to differentiate between the speed of sound in air and the speed of light in air.

Teaching Guidance 5-11 11-14

Suggestions for activities to aid the teaching of 'hearing things' based on the Physics Narrative and the Teaching Guidance.

Classroom Activity 5-11