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I3-11. Water Barometer - Bottle Collapse

Purpose

To demonstrate the press in a water column.

Equipment 

Two 2-liter soda bottles filled with water connected by tubing.

Images

I3-11

Description

Two plastic bottles are connected by a plastic tube and the entire system is mostly filled with water. Holding either of the two bottles up in the air causes that bottle to collapse.

References

Russell Akridge, Water Barometer, TPT 31, 110-111 (1993).

I. Thermodynamics

I. Thermodynamics

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