Curated OER
Greenhouse Effect
Students identify greenhouse gases. They explain why perfluorocarbons are a bad alternative to chlorofluorcarbons. They determine both the least and most influential greenhouse gases.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Students locate the many forests located in Oregon. In groups, they use the internet to research employment data on wood products made in the state. They discuss how looking at information presented in a different way can change their...