NOAA
Noaa: Ocean Explorer: Hot, Cold, Fresh and Salty
Students simulate ocean water characteristics in order to recognize that the effects of salinity and temperature are the drivers of thermohaline circulation.
Science Buddies
Science Buddies: How Salty Is the Sea?
Have you ever been swimming at the beach and gotten some water in your mouth by mistake? Then you know that the ocean is very salty. Bodies of freshwater also contain some salt, but much less compared to oceans. In this experiment you...
American Museum of Natural History
American Museum of Natural History: O Logy: Stuff to Do: Density of Salty Water
An experiment to test what happens when ocean water hits a freshwater estuary. Each step is demonstrated with photographs and the difference between salinity and density is explained.
US Geological Survey
Usgs: Water Science for Schools Why Is the Ocean Salty?
This U.S. Geological Survey website offers one explanation of why the ocean is salty. Click Home to access the site in Spanish.
Science4Fun
Science4 Fun: Oceans
Learn about the five oceans of the Earth, life in the oceans, and why oceans are salty.