In this activity, students learn about ocean currents and the difference between salt and fresh water. They use colored ice cubes to see how cold and warm water mix and how this mixing causes currents. Also, students learn how surface...

This site features some background information and a satellite image of the Gulf Stream that you can analyze using information also given at the site. There is a link to an activity about the formation of eddies along the Gulf Stream as...

This simple demonstration will help students understand how air currents and water currents can distribute substances through different environments.