Tue, Jun 04, 2013 3:34 PM in Rocks
When I studied rocks with my students we did various activities. We made edible rocks. Igneous rocks were rice krispie treats. The rice krispie cereal represented the large crystals (intrusive coarse-grained rock) while the melted marshmallow represented magma. Sedimentary rocks were ice cream sandwiches using the Grandma cookies. Depending on which cookie the students chose (chocolate chip o...
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