Purpose
To observe the results of the sum of the forces applied by the unseen atmospheric

Description
The air is removed from a can, the pressure differential (between the can's internal contents and the air surrounding the can) causes the can to be crushed.
1. Insert rubber stopper (with included pump valve) into can opening.
2. Attach small vacuum hose and turn on vacuum.
3. Be ready to turn off vacuum once can is significantly crushed.

Equipment
Gas Can, Stopper
Support Equipment
Vacuum Pump