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pH Factor

By Linda C. Joseph - Posted Jun 15, 2007
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For June 15, 2007: What do cabbage water and litmus paper have in common? Paper strips dipped in cabbage water and dried can be can be used as an indicator of pH. At the Miami Museum of Science's pH Factor site, elementary and middle school students can learn all about pH and have fun while doing so. Predict the pH of substances, and then click on the item to see where it falls on the pH scale. Explore a tongue to determine where it can sense sour or bitter tastes. Learn how to create and then reveal "invisible writing" using a pH indicator like cabbage water. In addition to loads of activities and lessons like these, there is a clear explanation of water and pH. This is a great starting point for a unit on pH.

Fly over to CyberBee for more great Web sites, lessons, and activities to use with students.

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