Physics · Waves
Measure the speed of sound with two phones
Use two phones with an acoustic stopwatch app to time a clap over a known distance.
- Easy
- 1–3 hours
- Free
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Waves projects in Physics, each with materials, steps and what result to expect.
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Physics · Waves
Use two phones with an acoustic stopwatch app to time a clap over a known distance.
Physics + Music, Theatre and Writing
Measure how the length of a string or the water level in a bottle changes the pitch.
Physics · Waves
Show reflection, diffraction and interference of water waves with a tray, a torch and a phone camera.
Physics · Waves
Drive a stretched string with a small speaker and find how frequency depends on tension.
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