Investigate the parts of a healthy stream to build content-specific vocabulary and ecological awareness. The class builds vocabulary and determines why clean water is important for trout. They design a shoe box to show what a clean...

What caused the collapse of the environment on Rapa Nui (Easter Island)? Who constructed the Moai? What was their purpose? Class members assume the role of investigators and use evidence drawn from field studies, ships' logs, and...

Pupils become more environmentally conscious. They see that it may be too late to "save" the Aral Sea, but there is still hope to prevent the ecological collapse of the Salton Sea.

Students identify species and components of a Great Lakes food web. Using note cards, they place themselves in the correct order of the food chain based on the species present. They discuss what they believe happens to various species...