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Direct linkKane, Jacqueline – Science Teacher, 2004
Earth science teachers know how frustrating it can be to spend hundreds of dollars on three-dimensional (3-D) models of Earth's geologic features, to use the models for only a few class periods. To avoid emptying an already limited science budget, the author states that teachers can use a simple alternative to the expensive 3-D models--sand. She…
Descriptors: Teaching Methods, Prior Learning, Misconceptions, Science Teachers
