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...

In this demonstration, students observe how temperature changes can create a weather front, in particular how the mixing of warm and cold air can produce thunderstorms.

Through discussion and hands-on experimentation, students learn about the geological (ancient) carbon cycle. They investigate the role of dinosaurs in the carbon cycle and the eventual storage of carbon in the form of chalk. Students...