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Experience science charm _ homemade simple bouncy ball

Updated：2011.04.19 Source：YaoDe Plastic&Rubber Co.,Ltd Clicks：

Let children show its beginning ability, can exercise their actual operation force and improve the ability to solve problems, specializing in the production of bouncy ball delicate and beautiful, very popular, child conditions allow, elastic ball can diy. First prepare things: alcohol (alcohol), sodium silicate (sodium silicate), a one-time rubber gloves, glass rod, a beaker Production steps: take approximately 4 small spoon to pour into a beaker, sodium silicate, in another beakers pack 1 small spoon to alcohol; Put into the beaker containing sodium silicate alcohol, with a glass rod stirring; A few minutes later appear white solid mixture, let it completely coagulation; Wear gloves solids beaker out from wind, add hand stereotypes. Be careful not to let silicate stimulate the skin, and then squeezed, molded into ball shape, patience, make its ball completely union, until the surface drying, but don't break, completely solidified, simple bouncy ball is done, need to pay attention to alcohol, is volatile liquid, the fire is strong, sodium silicate don't stick in his hand.