The sail car
Explorers (Foundation), mission E6 Wind & Spin, lesson 4 of 6.
Hook
Boats use wind… could a car sail across the floor?
Fair test
Put the fan 1 metre away. Measure how far the car goes with a big sail and a small sail.
Bonus challenge
Can you steer it by turning the sail?
The build
Sail Car: A light four-wheel chassis with a mast and a paper sail. Pushed only by a fan or a big breath.