How are Crystals Formed?

Crystals are solids found in nature that have a regular three-dimensional shape. They come in an almost endless variety of sizes and shapes. All crystals have an orderly shape due to the internal arrangement of the atoms, ions or molecules making up the solid. Crystal formation can be watched easily at home. Add sugar to water and let it dissolve. Now heat the water solution and let the water evaporate. Gradually, all the water evaporates leaving the crystals of sugar behind.

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