Learners explain the impact of glacial melting to global climate change. For this environmental science lesson, students design an experiment to investigate the effect of salinity change to melting glaciers. They share their results to...

High schoolers analyze satellite image data of Volcan Villarica. For this earth science lesson, students identify dangerous areas surrounding the volcano. They propose a new safe location for the town.

Underclassmen create a cone-shaped landform and then draw a contour map for it. Then they examine a quadrangle (which was easily located with an online search), and relate it to what they experienced. The accompanying worksheet is...