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Freie Universitat Berlin: Everyday Objects [Pdf]
In our daily lives we are surrounded by objects which have specific roles and functions. Some are relatively simple, like a drinking cup. Others are much more complex, like a mobile phone. This wonderful 56-page handbook presents...
Science Education Resource Center at Carleton College
Serc: Investigating Rock Layers and Fossils to Infer Past
This activity is an inquiry-based field investigation of the sedimentary geology of Lilydale Regional Park's brickyards area, a bluff and slope location near St. Paul Minnesota's Harriet Island and Cherokee Heights Park. Learners...