Powdered Borax is an ionic compound that dissolves easily in warm water. When given a surface to attach to, the borax will reform into crystals that are quite large.
Borax is a natural mineral with a chemical formula Na2B4O7 • 10H2O. The scientific name for borax is sodium tetraborate decahydrate. Borax is also known as sodium borate, sodium tetraborate or disodium tetraborate. It is one of the most important boron compounds.
In this activity a saturated solution of Borax and water is prepared. As the solution cools the crystals come out of solution and form on the textured pipe cleaner. When the crystals dry, they are interesting both tactualy and visually.