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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.
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.