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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > October  >
In The Classroom
Tested Demonstrations
Thirty Feet and Rising: Constructing and Using a Water Barometer To Explore Chemical Principles
Hans de Grys
The Lakeside School, Seattle, WA 98125

Checked by Martin Bartholow
Shawnee Mission North High School, Shawnee Mission, KS 66262
Cover
October 2003
Vol. 80 No. 10
p. 1156
Abstract
This article details the construction of a three-story tall water barometer and outlines several important chemical principles that can be explored with such a device. Not only can students develop an intuitive understanding of pressure and how a barometer works, the experiment can be extended to explore vapor pressure, phase changes, equilibrium, and gas solubility. This experiment is inexpensive to set up and can be easily completed in less than an hour.
More Information
*  Citation
 de Grys, Hans. J. Chem. Educ. 2003 80 1156.
*  Keywords
 Demonstrations; Elementary / Middle School Science; Gases; General Chemistry; Introductory / High School Chemistry; Laboratory Equipment / Apparatus; Laboratory Instruction; Water / Water Chemistry
*  History
 Created:
Last Updated:		 September 2, 2003
February 28, 2005
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