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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > September  >
Chemical Education Today
Every Year Begins a Millennium
Jerry A. Bell
Education and International Activities Division, American Chemical Society, Washington, DC 20036-4800
Cover
September 2000
Vol. 77 No. 9
p. 1098
Abstract
Every year is another year to consider experimenting with new ideas, challenges, and opportunities in our classrooms and laboratories. Many of us have learned what we think are effective teaching strategies by such experimentation. In my case, these lessons learned have included activity-based learning in many settings, emphasis on depth of understanding of basic concepts, making many connections among experiences, and adaptations to the learners. This article outlines a series of demonstrations and their contexts, that trace my pathway to learning these lessons. What I learned along the way leads to recommendations about what we teach and how we teach. Every new idea we pursue or challenge we take on has the potential to have long term consequences. Every year begins a millennium.
Supplement
Several demonstration activities, including the reaction of carbon dioxide with limewater, are available as QuickTime movies.

There are five QuickTime movies that supplement this article, corresponding to figures 1, 3, 4, 5, and 6 in the printed version. To view these movies requires that QuickTime 4 or higher be installed. QuickTime is available for download here.

Reaction of carbon dioxide with limewater.
870 KB		 First Frame
CO2(aq) plus OH- reaction.
545 KB		 First Frame
CO2(aq) plus OH- plus a drop of blood reaction.
530 KB		 First Frame
Reaction of cream of tartar and sodium bicarbonate in water performed by a blindfolded experimenter.
1.4 MB		 First Frame
NaHCO3 plus CaCl2 plus water reaction.
450 KB		 First Frame

More Information
*  Citation
 Bell, Jerry A. J. Chem. Educ. 2000 77 1098.
*  Keywords
 Acid-Base Chemistry; Aqueous Solution Chemistry; Demonstrations; Equilibrium; Kinetics; Teaching / Learning Aids; Teaching/Learning Theory/Practice
*  History
 Created:
Last Updated:		 August 29, 2000
June 22, 2005
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