Studio : Universe of Science Inc

Publisher : Universe of Science Inc

Product Description
The science behind disappearing ink is explained in great detail. Lots of experiments to do with it! There are 13 other fun chem bits which would make great inexpensive gifts. It Disappears, You Make It Reappear! using only the heat and contents of exhaled air. Learn the chemistry of how it happens! Do acid-base experiments and learn about pH! Concepts Introduced Include: indicators, pH, acid-base reactions. Contains: 1 oz thymolphthalein solution and instructions for experiments. Ages: 8 and up with adult supervision.
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