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DECEMBER 31, 2011
Science Saturday - Soap!

This week I'm posting an interactive Science Saturday.  For fun here is something to try:  Set out two bowls and cover the bottom with about 1/4 inch of milk.  In each bowl drop 4 different colors of food coloring near the middle of the bowl but spread out from each other.  In the first bowl add one drop of water in the center and watch what the colors do.  In the second bowl add one drop of dish soap to the center and watch what happens to the colors.  You can try this experiment again with different temperature milk, different fat content in the milk (skim, whole, 2%), try using more than one drop of detergent, try different brands of detergent.  Tune in next week to see the answer behind what just happened!

 

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posted by Arra - Lakewood Library

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