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By Wallace Feurzeig, Nancy Roberts. Edited by Wallace Feurzeig. 1: Modeling Tools for Students and Teachers. Modeling Clay for Thinking and Learning. Training System Modelers: The NSF CC-STADUS and CC-SUSTAIN Projects.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.