Very simple online oscilloscope that you can fiddle the knobs and buttons on. Created by PhysicsZone.
Category: Sound
Academo Collection
A collection of small open source physics simulations, created by Academo.
XXY Oscillocsope
Web based oscilloscope, with a variety of settings to explore, among them the ability to use your microphone to input the wave pattern. Created by Neil Thapen.
Physics Toolbox
Cool phone app that can turn your device into a physics sensor, measuring things like sound, acceleration, light, etc. Created by Vieyra Software.
Standing Waves
Simple simulation where you can control a wave. Built by Nerd Island Studio.
PBS Learning Media
Collection of various science learning resources hosted by PBS LearningMedia. Covers topics such as physics, biology, and geology.
oPhysics
A large set of interactive physics simulations built by Tom Walsh. Covers a wide range of physics, including forces, waves, and light.
Let’s Learn About Waveforms
An interactive blog post about waves, their shapes, adding them together, and harmonics.
Physics Simulations
Lots – hundreds at least – of small physics applets, around a wide range of topics, separated out into two semesters of college physics. Motion, thermo, EM, waves, and optics all covered. Created by Andrew Duffy.
Fowler’s Physics Applets
Collection of small physics simulations, many including nice explanations. Built by Michael Fowler.