Steve Spangler Science: Water Jelly Crystals

A repeatable, amazing physical change occurs each time these small, solid nuggets are tossed into some water.

You start with little nuggets that look like rock salt and end up with huge, gleaming, water-filled globs of hydration. Your discoveries using a superabsorbent polymer have just begun! Of course, if you wore a modern diaper at one time in your infant life, then you’ve already had experience with a type of these chemical marvels. This polymer absorbs water – a lot of water – and lends itself to a lot of activities and uses at the same time, too.


Science Topics
Chemistry, Polymers
K-6
Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade, 6th Grade

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