Students build a model of an estuary. In this wetland lesson, students build a model estuary with a paint tray and modeling clay. They use the model to illustrate the impact of non-point pollution on the watershed.

Students interpret a rock core sample from a clay model. In small groups, they layer modeling clay in a plastic container using coarse-grained spices sprinkled in to represent fossils. They switch containers with another group and remove...

Fourth graders explore the lives of penguins and the relationship between them and their parents. They compare and contrast penguin populations in various areas of the world as well as their nesting sites. After constructing a penguin...

Fifth graders discover the history of their hometown Des Moines River.  In this U.S. Geography lesson students speak with Iowans that tell stories of the settlers and early villages near the Des Moines River.  Students document...