Wild BC
The Greenhouse Effect: The Role of CO2
Though this is meant to be second in a two-part lesson, the two are not dependent on each other. Pupils play the roles of visible light rays, light or dark surfaces, and carbon dioxide molecules. They interact and react according to...
Curated OER
Energy and Conservation
Touching upon energy sources and the causes of pollution, this PowerPoint could be expanded. For example, it describes the greehnouse effect and the problems associated with global warming, but does not indicate that the greenhouse...