Weight of Air

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Weight of Air

Vaccuum Pump next to a bottle of air and a scale.

PIRA: 2B40.45

Materials: Vacuum Pump, Weight of Air Apparatus, Scale

This demo is to show that that air has mass even though it may not be a lot. The demo is done by creating a vacuum in the bottle and weighing it. Then weigh it once it has air in it again. The difference should be about 1/2 a gram.