The propeller pusher
Explorers (Foundation), mission E2 Turning Things, lesson 4 of 6.
Hook
Push the car and a propeller spins! Where does the spin come from?
Fair test
Push it slowly, then fast. Does the propeller change speed?
Bonus challenge
Decorate the propeller with paper so it looks like a flower.
The build
- 🌀 Propeller Push Car: Push the car and the propellers on its back spin three times faster than the wheels! (level 1 of 5, about 12 minutes, 8 steps)