BCIT Physics Department

Demonstration Manual


DHS08 - Suction Cups, Air Pressure


- To illustrate atmospheric pressure.



When the air space between the two discs has been exhausted, the stopcock closed, and the device removed from the pump plate, it will be impossible to pull the plates apart by hand. If the stopcock is opened, they separate easily.

youtube logo   Watch a Pressure Demo: Magdeburg Hemispheres video demonstration on Youtube

- Video Created at Utah State University by Professor Boyd F. Edwards and assistants.