Steve Spangler Science: Light Ice, Heavy Water

Water floats when it’s frozen, but what happens after it melts?

You know that materials have different densities. For a perfect, amazing example of how to demonstrate these different densities, check out our 9 Layer Density Column. You can see that honey and lamp oil have completely different densities, and so do the liquids and solids in between them. All those materials seem to have a set density, but did you know that you can change the density of some materials? We’ll show you a cool way to see a change of density in action with the Light Ice, Heavy Water experiment.

Science Topics
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade

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