Whenever there is a real life teachable moment, take it. So goes our lesson on the current gulf oil spill. Each student was given a cup of water, couple of pieces of foam (dropped in the water), a pipette, and a few cotton balls. As the students were talking and trying to figure out what they were going to be doing, I walked by and put a couple of tablespoons of cooking oil in their cup of water. "Now your job is to clean it up." After a few moments of shock and horror, the work began. There were several silent minutes of intense cleaning going on. Then the light bulbs began to shine. "This is killing our fish, we'll never get this all cleaned up, oh no, this will affect the food chain."
They got it. A lesson learned.
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