Make an “O-silly-scope”
Make an "O-silly-scope" See the sound of your voice as a light pattern on the wall! https://ellenjmchenry.com/store/wp-content/uploads/2018/04/Osillyscope-demo-red-light.mp4 An oscilloscope (oh-sill-oh-scope) is a machine that lets you see sound waves. The sound waves are analyzed and then turned into a picture on a screen, usually a transverse wave where the crests get larger or...
