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  Home > JCE Print > Journal of Chemical Education > Issues > 2004  > November  >
Chemistry for Everyone
JCE Classroom Activity
A Magnetic Meal
JCE Editorial Staff
Journal of Chemical Education, Madison, WI 53715
Cover
November 2004
Vol. 81 No. 11
p. 1584A
Abstract
In this Activity, students make slurries of breakfast cereal and water and use a magnetic wand to collect elemental iron filings that are present in some cereals. They determine the mass of iron collected and then calculate the "recommended daily allowance"(RDA) in each cereal. An extension uses qualitative tests to confirm that the material collected is actually iron. This Activity connects chemistry to an item that students probably see (and eat!) often. Many students will find it surprising that metallic filings are present in a food item. The Activity can lead to a discussion of why iron is/is not used in food items in this form. Instructors can also discuss biochemical issues—what happens to iron in the body, why iron is a crucial nutrient, and the definition of RDA.
More Information
*  Citation
 JCE Editorial Staff. J. Chem. Educ. 2004 81 1584A.
*  Keywords
 Consumer Chemistry; Food Science; High School / Introductory Chemistry; Iron; Nutrition
*  History
 Created:
Last Updated:		 September 27, 2004
October 25, 2004
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