Battery to motion

Inventors (Intermediate), mission I2 Energy on the Move, lesson 4 of 6.

Hook

Batteries store energy too. How does it get from the battery to the wheels?

Fair test

Draw the energy path: battery → wire → motor → gears → wheels. Time 2 m runs with fresh and old batteries.

Bonus challenge

Switch the polarity and drive backwards into a parking space.

The build

  • 🔋 Motor Buggy: Your first car that drives by itself — with a forwards/backwards switch and headlights! (level 3 of 5, about 30 minutes, 20 steps)

More lessons in this mission