Growing Crystals


What You Need:


Solubility is tied to temperature. The hotter the water is, the better it is at dissolving the Epsom salts. This happens till the solution reaches an equilibrium. When you put the cup in the refrigerator, the heat energy moves to the surrounding area. With less heat energy in the water, the balance shifts again and the Epsom salts join together to form a new equilibrium thus forming crystals. You can place the crystals back into the cup and add warm water to dissolve the crystals and then refrigerate them to form new crystals.