Curated OER
Hawaii's Freshwater Ecosystems
Young scholars examine brackish water. In this Science lesson, students observe organisms found in brackish water. Young scholars record their observations of the various organisms.
Curated OER
Sea Level and the Terrapin
Students study the habitat of the terrapin. In this terrapin lesson, students create a diorama of the habitat of the terrapin. Students also simulate how it would look if people moved into the area and how predators can threaten terrapin...
Untamed Science
Untamed Science: Biology: World Biomes: Estuaries Biome
Make learning about Earth's biomes fun and easy with video clips, photographs, and diagrams. Learn about estuaries, the water environments formed where freshwater from rivers or streams mix salt ocean water. [6:38]
University of Southern California
Usc: The Composition of Ocean Water
This site gives background information to ocean water and its contents. It has a link to an detailed chart showing the minerals and their content amount in ocean water. It also has links to activities.