Understanding waves is fundamental—through them we see, communicate, transmit energy, probe the universe. Experimenting with harmonic oscillators, such as a mass on a spring, is a great way to understand how waves work. Use your phone to make measurements of a simple spring oscillator.
Harmonic Oscillator (part 1)
Harmonic Oscillator (part 2)
Harmonic Oscillators Conceptual Physics Activity Part 1