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Rough Science Adventure: Island General Store

If you are ever marooned on a desert island, you’ll be glad you spent some time exploring this site from the PBS series, Rough Science, which demonstrated that everyday science can be used to solve technological problems. Learn how to make candles, toothpaste, glue, and insect repellent. Links to other activities show you how to make your own water filter and gives instructions on how to test the hardness and acidity of the water. In addition, any marooned scientist would want to make a microscope and a water clock. This is the place to find the instructions for those also.

courtesy of netTrekker