| B2-1 | Crush can with pressure |
| Purpose: | To demostrate the how sizable 1 atmosphere is |
| Description: | 1. Uncap a one gallon can and heat water in it, then cap it tightly.
As it cools, a vacuum forms inside the can and the can collapses. Multiplying
the can's surface area by the atmospheric pressure. That''s the power of
1800 kg of air pressure.
2. The classic demonstration can also be produced by hooking the can up to a vacuum pump. |
| References: | |
| Equipment: | 1. Can, Bunson burner, gas supply, match and a stand.
2. Can and vacuum pump. |