Smithsonian Institution
National Museum of Natural History: Ocean Planet
Detailed website that was a companion to a 1995 traveling exhibit of the Smithsonian. Links to lesson plans and other educational materials are at the bottom of the page. Enter the exhibition to explore the world of the ocean.
Rice University
Rice University: Museums Teaching Planet Earth: What Is the Hydrosphere?
Focus is on the hydrosphere and contains the definition as well as characteristics of the ocean and the effect of the ocean on climate.
Other
Bigelow Laboratory for Ocean Sciences: Salinity and Deep Ocean Currents
For this activity, students will investigate how temperature and currents affect the salinity of ocean water, making predictions after studying ocean maps. It is recommended that teachers do the experiment themselves before presenting it...