Crystals are all around us and come in many shapes, sizes and forms: amethysts, diamonds, salt, sugar and snow, for example. They are fascinating and beautiful to look at. Wow your kids by teaching them how to grow their very own cup of crystals using this quick technique. These salt crystals are easy to grow and safe to handle, and they form quickly.
When you add Epsom salt to the hot water and stir, the Epsom salt dissolves, creating a concentrated solution. The hotter the temperature of the water, the greater the amount of Epsom salt that will dissolve. When the water starts to cool, there is less room for the salt in the cooled water, and that causes the crystal growth. As the solution cools, the salt atoms rejoin to form a crystalline structure.
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