We tried to make crystals by dissolving Epsom salt in water. We heated water up in the microwave (so we could dissolve the salt at the table in plain view). After we dissolved as much salt as we could (with some undissolved salt sitting at the bottom of the cup) we microwaved it again. This dissolved the remaining salt and let us mix more in. We repeated this a couple times, added food coloring, and poured a shallow layer of the solution into a tupperware container. After letting it sit a couple days so the water could evaporate, we were left with some rather unimpressive crystals. It was essentially a somewhat sparkly layer of material. We'll have to work on making better looking crystals.
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