Show how water erodes mountains to forming streams and depositing sediment in oceans and lakes. Then model how layers up sediment can be uplifted to form mountains.
Science content (2016 curriculum):
Earth/Space: Water cycle, Water conservation (2)
Earth/Space: Landforms, Erosion (3)
Earth/Space: Rock cycle, Earth Materials, Natural resources (5)
Earth/Space: Fossil records, Geologic time scale (7)