To observe preservation techniques firsthand, learners dry a flower in sand and compare cucumber slices soaked in salt water for a week with slices left out to dry in the open air. Video resources (not attached) include one about mummies...

Fourth graders construct a model of Indiana which displays the effects of the glacial period on the state's physical structure. Students work in groups to plan and execute their model based on an established rubric.

Students explore the concept of sediment pollution. In this erosion lesson, students discuss the process of erosion and determine how sediment pollution affects animals that live in freshwater ecosystems. Students respond to questions...

Third graders explore farfeche and how the Nez Perce people use natural materials to derive colors for their artwork. They explore traditional paints and dyes used by the Nez Perce and create their own parfleche 'isaptakay.