Soundwaves

What are sound waves?

How are they formed?

How can we picture sound?

Have a go making your own sound waves.

What are the differences with higher or lower pitches?

1. Scratch

Go to Scratch and follow the instructions on this slide show

soundwave scratch code

2.Sound Wave Sculptures

Create a wire sculpture representing the sound waves of each of your sounds in Scratch

3. Makey Makey Set-up

Tape your wire sound waves onto cardboard and connect them to the alligator clips and Makey Makey then have fun!

Reflection

Do your sound waves correspond to the sounds you made on Scratch?

How can we tell which sound wave corresponds to which sound?