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Article: The school dance, according to Le Chatelier.(Favorite Demonstration)
- Article from:
- Journal of College Science Teaching
- Article date:
- March 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 National Science Teachers Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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When teaching science or any other topic, an example of the concept being taught taken from students' past experiences is often valuable. A familiar situation can reduce the anxiety of an unfamiliar or intimidating subject and can make it more manageable or even exciting. This particular illustration offers such a case. It can help students grasp a difficult concept--Le Chatelier's principle--through a common event from their past.
Background
Many general chemistry textbooks, such as Chemistry: The Central Science (Brown et al. 2002), define Le Chatelier's principle in this way:
If a system at equilibrium is disturbed
by a change in ...