NOAA
Noaa: National Ocean Service Education: Estuaries
Illustrated tutorial explains estuary ecosystems. Animations and illustrations help students become more familiar with the plant and animal communities which make up this coastal habitat.
Other
Lehigh University: Land Use Change
An inquiry-based science unit for middle school students centered on how human activities affect environmental changes related to land use. The lessons integrate technology and lab activities while teaching about today's land use and how...