Mrs. Magina's Third Grade Classroom 2012-2013

Thursday, January 17, 2013

Exploring Sediments!

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Students have been highly engaged and enthusiastic during our science unit on Rocks & Minerals!  Students have observed sediments, differentiating between the different types (gravel, sand, silt, and clay) and comparing and contrasting the granule size of each.  Today, students discovered that sediments are created through the process of weathering.  Because this process takes millions of years, a model of this process needed to be used.  Students used tools like a grater, pencil sharpener, penny, paper clip, and plastic knife to represent different types of weathering - wind, rain, sleet, ice, etc.  Then, they "weathered" a "rock" which was a crayon.  Students enjoyed "weathering sediments" and learning about this important process!

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