Demonstrates: Objects falling at the same rate in a vacuum.
Description: Feather, penny, a piece of paper all fall at the same rate when the chamber is evacuated.
Instructions: Show how objects fall at different rates, then evacuate chamber with vacuum pump for approximately 2 minutes, close chamber valve, disconnect hose and show objects falling again.
Items Used: Vacuum pump, hose, free fall chamber.
Notes: Use vacuum pump and valve to seal tube. See also NASA video of objects falling on the moon. Math Description: None.
Size: 5' tube (freee fall chamber) Condition: Good. Hazard: Face Smacker.