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  Home > JCE Print > Journal of Chemical Education > Issues > 2000  > October  >
Chemical Education Today
Reports from Other Journals: Research Advances
News from Online: Kitchen Chemistry
Carolyn Sweeney Judd
Department of Physical Science, Houston Community College Central, 1300 Holman, Houston, TX 77004

Cover
October 2000
Vol. 77 No. 10
p. 1268

Full Text

Tell your students a story! Sit around the kitchen table in your virtual home, and regale them with tales about chemicals found in the home.

Start with the History of Salt from the Salt Institute. Try different roads from here. Go to the Importance of Salt to learn that in ancient times, salt (or the lack of it) could drastically affect the health of entire populations. Trade in salt was very important, and salt was valuable enough to be used as currency in some areas. Here your students will learn that in medieval Sweden, it took a pound of salt to preserve 10 pounds of butter.

Look at the various methods of obtaining salt. Wonderful photographs of evaporating ponds are found at The Saharan Salt Trade page. Go to the Web page of Cisne, a Brazilian brand of table salt, to learn that in ancient times salt was exchanged, gram per gram, for gold. Learn that the city of Halle, Germany occupies a site where salt was processed from the Hallstatt Period (ca. 750 to 450 B.C.E.). By the way, Halle is also the birthplace (in 1685) of the Baroque composer and musician Georg Friedrich Handel.

While sitting at the kitchen table, pour some salt from the nearby salt shaker. Feel the edges of the salt crystals. Go to the Smithsonian Magazine page to see more images of these crystals. Click on each image for further information and enlargement.

Now let's do some activities with your students at the kitchen table. From the U. S. Department of Education homepage, go to the Activity for Parents on Crystals. Table salt, ice, and sugar are examined under a magnifying glass. Another Parent Activity involves baking four small cakes, each missing a key ingredient.

What can your students learn from simple activities? They can learn to use their senses and how to proceed from experiment to conclusions. Students at MIT can enroll in a course named "Kitchen Chemistry". See the news release from MIT about "A Lesson in Leavening" to find out that adding an acid to baking soda will prevent bitter tasting baked goods. Kitchen chemistry is fun!

From cake to bread! Go to the Fleischman's Yeast Homepage . Here you can learn that the particular species of yeast called Saccharomyces cerevisiae is the one most commonly used for baking bread. Lots more about fermentation and baking at this site!

Now go to the Scientific American Explorations site on Kitchen Chemistry. Here your students can learn why bread rises but popovers pop. Great fun and food for thought!

Visit the Science Is Fun page of Bassam Z. Shakhashiri of University of Wisconsin-Madison for more experiments you can do at home. There are lots of ideas here and at other sites. Remember that safety should be addressed before attempting any of these activities.

And one of the best sources for kitchen activities is the JCE Classroom Activities from the Journal of Chemical Education, edited by Nancy S. Gettys and Erica K. Jacobsen. Go to Anthocyanins: A Colorful Class of Compounds for acid-base indicators made from another item in the kitchen, purple cabbage--my favorite kitchen chemistry experiment.

Salt Institute
Importance of Salt
Saharan Salt Trade
Cisne, Brazilian Table Salt
Halle, Germany
Smithsonian Magazine Page
U.S. Department of Education Homepage
MIT: Kitchen Chemistry
Fleischman's Yeast Homepage
Scientific American Explorations: Kitchen Chemistry
Science Is Fun: Bassam Z. Shakhashiri, University of Wisconsin-Madison
JCE Classroom Activities, edited by Nancy S. Gettys and Erica K. Jacobsen
Access date for all sites: August 2000
More Information
*  Citation
Judd, Carolyn Sweeney. J. Chem. Educ. 2000 77 1268.
*  Keywords
Food Science; Internet; Introductory / High School Chemistry; Public Understanding
*  History
Created:
Last Updated:
September 22, 2000
April 15, 2005
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