Curated OER
Global Climate Change
Second graders investigate the effect of melting glaciers to sea level. In this earth science instructional activity, 2nd graders simulate the process in the lab by conducting an experiment using ice cubes and clay. They explain the...
Curated OER
Robots from Junk
Students create balloon and rubber band models of robotic rovers to investigate the concepts of mass, torque, and friction. Through research and planning, students construct a rover test-bed that simulates the Martian environment.