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Alabama Learning Exchange
Alex: The Earth's Changing Surface
During this unit, students will identify the various landforms found on the earth's surface. Also, students will describe how these landforms are created and changed by the natural forces within the earth and on its surface, as well as...
Science Buddies
Science Buddies: Get Down and Dirty: How Does Soil Change With Depth?
What covers less than 10% of the Earth's surface, yet is a vital natural resource for terrestrial life? What filters ground water and supports most of our food production, not to mention the production of building materials and paper?...