The gravity well is a custom-built item that combines a hula hoop and a large sheet of spandex to allow for whole class demonstrations of how planetary bodies with differing masses affect the fabric of space time (spandex).
Includes:
- Spandex sheet
- Large hula hoop
- Clamps
- Marbles
- Steel ball bearings
- Ping ping balls
- Bocce balls
Find the complete lesson plan here.