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Science » Earth Sciences » Environment NSF Science and Technology Center for Environmentally Responsible Solvents and Processes provides activities for exploring carbon dioxide and polymers. Learn how much carbon dioxide is in a soda. Make carbon dioxide and observe its effects. Create silly putty and oobleck to learn about polymers. Test how much water can be absorbed by polyacrylate (the absorbent polymer in disposable diapers). (National Science Foundation)     Meet the scientists

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