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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Physics projects 2
Physics projects you can measure: motion, light, sound, heat, electricity and magnetism. Each project gives the materials, the steps and the calculation behind the result.
2 Physics projects
Physics · Kinematics
Show that falling time does not depend on mass
Film objects of different mass falling together and compare their fall times frame by frame.
- Beginner
- Under 1 hour
- Free
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