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Science Education Resource Center at Carleton College
Serc: Igneous Rocks Model
Young scholars use samples of four different types of igneous rocks to observe differences in texture, color, and grain size, and then make inferences about the relative cooling histories and silica content associated with each magma type.
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.