🧲
Physics
Electromagnetic force
3 projects
🧲 PhysicsBeginner1.5 hrs laser + 2 hrs build
HydroArm: a Water-Powered Robot Arm with Syringes
A laser-cut robot arm that runs on water: push four syringes on a control panel and the arm turns, lifts, reaches and grabs. No batteries, motors, wires or screws. For Primary 1 to 6.
#laser cut#hydraulics#syringes
🧲 PhysicsBeginner1 hr laser + 40 min build
Crank-a-Light: Make Light with Your Arm and Wooden Gears
Turn a wooden crank, a 75:1 wooden gearbox spins a small motor backwards as a generator, and two LEDs light up: red one way, yellow the other. No batteries and no soldering by pupils. For Primary 1 to 6.
#laser cut#gears#generator
🧲 PhysicsBeginner30 min laser + 1 hr build
Electromagnet Lab: Build and Test Your Own Electromagnet
Wind copper wire on a bolt, press a button, and pick up paperclips. A laser-cut stand with an engraved ruler and results table turns the classic electromagnet into a fair-test lab. No soldering.
#electromagnet#magnetism#electricity