Big Idea: Waves carry information without causing a permanent change on the intervening medium. More info...
The “pink” (magenta) elephant optical illusion is a great starter to a lesson on colour vision.
This activity shows that a loud sound is capable of making small grains jump. You can use it to introduce the idea that sound...
In this activity, students download an oscilloscope app onto a laptop or phone to investigate pitch and loudness. You can use...
Recognising and celebrating outstanding contributions to the field of physics education.