The circle of life is all around us, from the black bears in the nearby mountains to the pile of dead leaves in the backyard. Encourage young scientists to take a critical look at the world around them with a set of lessons...

In this river ecosystem worksheet, students complete a graphic organizer by writing in what the various organisms lists contribute and benefit in this river ecosystem.

In this student exploration-pond ecosystem worksheet, students use the Pond Ecosystem Gizmo to measure oxygen concentrations and temperature and record the data on charts.