Curated OER
The Virtual Electron Microscope
Students explore the world of the very small using a Flash plug-in Virtual Electron Microscope. They complete and discuss an activity in which unknown samples are placed under the computer simulated microscope to determine where the...
Curated OER
What Land Works Best?
Fourth graders explore different types of land. For this land lesson, 4th graders investigate how water, climate, and soil type determine what types of crops may be grown. Students discover these elements while playing an interactive game.