Students explore the lives of bgeahvers. They identify the physical and behavioral adaptations that help beavers survive in their environment. Students compare and contrast how beavers influence the ecology of both forest and aquatic...

Students compare and contrast the properties of salt water in the oceans/seas and freshwater elsewhere on the planet. They also analyze mixing caused by currents in the ocean, including the effects of warm and cold water as well as with...

Students research the Gulf of Mexico oil spill and complete experiments to study the effects of oil spills. In this oil spill lesson, students read the NY Times feature on the gulf oil spill. Students visit various links to research the...