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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > October  >
Chemistry for Everyone
Why Does a Helium-Filled Balloon "Rise"?
Richard W. Ramette
Green Valley, AZ 85614
Cover
October 2003
Vol. 80 No. 10
p. 1149
Abstract
The article is a lighthearted, conversational exploration of the microscopic basis for Archimedes’principle. The principle is discussed in terms of molecular collisions and density gradients in a gravitational field.
More Information
*  Citation
 Ramette, Richard W. J. Chem. Educ. 2003 80 1149.
*  Keywords
 Atmospheric Chemistry; Demonstrations; Gases; General Chemistry; Humor / Puzzles; Physical Chemistry
*  History
 Created:
Last Updated:		 September 2, 2003
February 28, 2005
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