Physics · Electromagnetism
Electromagnetic braking in a copper pipe
Time a magnet falling through copper, aluminium and plastic pipes and show how eddy currents slow it.
- Intermediate
- 2–7 days
- 250–500
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Physics · Electromagnetism
Build a homopolar motor and measure what changes its speed
Make the simplest electric motor from a cell, a magnet and wire, then test how magnets change its speed.
- Easy
- 1–3 hours
- Under 250
Sports and Exercise Science + Physics
Analyse a sports technique with video
Film a bowling action, a jump or a throw in slow motion and measure the joint angles and speed.
- Intermediate
- 1–2 weeks
- Free
Physics · Mechanics
Investigate how temperature affects the bounce of a ball
Chill and warm identical balls and measure how bounce height changes with temperature.
- Easy
- 1 day
- Under 250
Aerospace Engineering + Physics
Measure the thrust of a water rocket
Build a static test stand and measure thrust against time for different water fills.
- Intermediate
- 1–2 weeks
- 250–500
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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