Optical illusion disc down an inclined plane
This activity can be used to talk about the force of gravity, inclined planes, and optical illusions.
What you need:
- 1 cereal box
- pen or pencil
- color markers or poster paint
- small piece of poster board or card stock.
- masking tape (the wider the better)
- round lid to trace a circle (of around 3 inches or 7.5 cm)
- optional: glue and a small piece of white paper