Curated OER
Mud Fossils
Students create their own fossils in an activity using plaster of paris and a variety of objects which can be fossils, e.g. chicken bones, twigs, shells, etc. After making their fossils, they allow them to dry and discuss time and its...
Curated OER
Fred the Fish -- A River Ran Wild
Students apply cause and effect relationships to water pollution in a stream. For this pollution lesson students recognize the importance of clean water in their daily lives. Students accompany "Fred the Fish" as he travels down stream....