University of Illinois
University of Illinois Urbana Champaign: Cloudsand Precipitation
Find out about the development of clouds, types of clouds, and precipitation. Includes diagrams and illustrations.
University of Illinois
University of Illinois Urbana Champaign: A Summary of the Hydrologic Cycle
Animation and text explain the water--or hydrologic--cycle, which is the process that water undergoes in nature.
Museum of Science
Oceans Alive: The Water Planet
Check out this simple overview of the water cycle and learn how to build a model of the water cycle.