Marine biologists research sea ice communities. Assign some groups to construct paper models of sea ice communities in winter, and some to construct models of them in summer. The lesson is simplistic, but the Internet resources provided...

The Chesapeake Bay is the largest estuary in the United States. Explore its origins, organisms, and contributing rivers with this PowerPoint. It opens with several slides of general information on the formation of estuaries, then it...

Students, after locating different marine habitats on a globe, play a card game about ecosystems, food webs and organisms.

Discusses the unique characteristics of the oceans and the many organisms that live in a marine ecosystem.