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Home » Pressure



$18.29

Demonstrate the effective force of air pressure

This demonstration is amazingly effective, very simple and very convincing.
Students place the edges of two hemisphere cups together and squeeze them, forcing out the air between them. In a tug of war, students try to pull the cups apart-a surprisingly difficult task. Each of the 7.5cm-diameter rubber hemispheres has a two-finger handle and two release knobs.

Item tags:
students, air, effective, cups


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