Porosity and Permeability Lab Activity, Sources of Fresh Water Are Usually Associated with Visible Bodies of Water Such As Lakes, Rivers, Ponds, and Streams, the Majority of Fresh Water on Earth is Actually Unde
Magnetic Earth Field Model, Use it as is or place it on an overhead projector to show the whole class, Iron filings are suspended in oil to allow the included magnet to align them to its field
Replacement Sand, set is a refill of the sand included with the Tectonics model. Set includes one pound each of beige, black, blue, orange and yellow sand
Tectonic Model set, Demonstrate plate, plate boundary interactions and the geometry and relative motions of faulting of geologic layers using 3-D manipulative models, Versatile kit contains a Fault Model Set of 5 manipulatives and a Tectonics Sand Layer Model
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