The aim of this activity is to reinforce the relationship between pitch and frequency, and to give some feeling for the...

Classroom Activity 5-11 11-14

To find the frequency you simply count the number of vibrations each second. An alternative way to do the counting is to find...

Physics Narrative 11-14

The two identical bottles vibrate at the same natural frequency. So when one vibrates and produces a note, this makes the...

At home 5-11 11-14

What is light? This question might well be posed by an interested pupil. The approach taken in this topic starts on familiar...

Physics Narrative 11-14

What is possibly the world’s longest running science experiment was set up at the University of Queensland, Australia in 1927...

Stories from Physics 11-14 14-16

A model of colour perception, proposed in 1872 by Ewald Hering, argued colour vision involves two opponent pairs of colours...

Stories from Physics 11-14 14-16