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Sometimes things are so common that we never stop to really think about them. We all know from experience that a piece of paper that is soaked in water does not burn easily. Wet wood does not work well in a campfire. What is it about water that keeps things from burning? Think about it first, and then watch the video.
This is a marvelous way to get people creatively thinking about science. It offers a simple question, which turns out to be not nearly as simple as it seems.
