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Sixth Grade STEM

Submitted by arlene.haymond on Mon, 11/26/2018 - 12:58
Susan Crook

In sixth grade, we discovered the difference in densities of hot and cold water. We used divided tanks that we poured hot (red) water in one side and cold (blue) water in the other. Upon lifting the divider we noticed the cold water staying at the bottom beneath the hot and the hot moving to the top of the cold. We learned that cold water is more dense than warm water because the molecules are moving slower.