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  Home > JCE Print > Journal of Chemical Education > Issues > 2005  > January  >
Chemistry for Everyone
JCE Classroom Activity
Turning on the Light
Patricia B. O'Hara
Department of Chemistry, Amherst College, Amherst, MA 01002-5000

Carol Engelson
West Springfield High School, West Springfield, MA 01089

Wayne St. Peter
Hall High School, West Hartford, CT 06117

Cover
January 2005
Vol. 82 No. 1
p. 48A
Abstract
This Activity explores some of the fundamental properties of light that is spontaneously emitted from common everyday substances such as glow-in-the-dark stickers, wintergreen-flavored hard candies, and a chlorophyll solution made from spinach leaves. Students are led to explore the different properties of fluorescence, phosphorescence, and triboluminescence. Teachers are provided with a background in the molecular properties that give rise to these different luminescent phenomena, which derive from the fundamental interaction of light and matter.
Supplement
Images of several of items with luminescent properties are available here. A table of typical observations is also available below.
*  Contents JCE2005p0048AW.xls (Microsoft Excel)
*  Download
JCE2005p0048AW.zip

JCE2005p0048AW.sit
More Information
*  Citation
 O'Hara, Patricia B.; Engelson, Carol; St. Peter, Wayne. J. Chem. Educ. 2005 82 48A.
*  Keywords
 Analytical Chemistry; Fluorescence Spectrometry; Luminescence; Physical Chemistry
*  History
 Created:
Last Updated:		 November 29, 2004
December 14, 2004
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