Physical Geography: The Hydrologic Cycle
Earth Science Educational Materials
Earth Science Educational Videos
Discover The Wonders of Our Earth and the forces and life forms that shape our world with the Physical Geography Series. This program examines one of the most important processes that affect life on earth. The water cycle is covered from transpiration through evaporation to condensation, precipitation and run-off. This is an excellent introduction to a fast moving process that students see on a daily basis.