Curated OER
Density Currents
Students study how fluids of differing densities interact with one another, how densities of fluids can be changed, and how density currents transport and deposit tremendous amounts of sediment in lakes and in the ocean.
Other
Beloit College: K 12 Geology
This is a good source of basic information about density currents in water. It includes simple activities you can do to demonstrate these currents.
PBS
Pbs Learning Media: What Causes the Gulf Stream?
This video segment adapted from NOVA uses satellite imagery to illustrate the Gulf Stream's path and animations to explain how atmospheric phenomena cause it to move. [1:51]