Lesson 2 of 3 · Go Deeper

The Straightest Path

Nothing is pulling you down.

Before you start, go and ask a grown-up for

  • Something round — a grapefruit, an orange or a ball
  • A paper cup that’s narrower at the bottom than the top
  • A cardboard tube or a soup can
  • A bit of tape and a light coin

Nothing sharp, nothing breakable, and you need a hard table or floor — carpet won’t work.

11 parts · about 30 minutes · you can stop and come back