• This experiment demonstrates the fact that objects of different masses fall at the same rate in a vacuum. The plastic cylinder has rubber stopper closures on both ends, with one end having a hose connection that is used to evacuate air. When air in the tube is pumped out via a vacuum pump (not included), the coin and feather will fall simultaneously because there is nothing causing resistance in the tube.
• A vacuum pump can be used to evacuate air but is not included in the kit.
• A Feather and Coin are included with the kit.

This experiment demonstrates the fact that objects of different masses fall at the same rate in a vacuum. The plastic cylinder has rubber stopper closures on both ends, with one end having a hose connection that is used to evacuate air. When air in the tube is pumped out via a vacuum pump (not included), the coin and feather will fall simultaneously because there is nothing causing resistance in the tube.