E-learning for Kids
E Learning for Kids: Science: Atlantic Ocean: What Is the Water Cycle?
Explains the three states of water, how the water cycle works, and the role of temperature. Includes a fun fact quiz.
Other
Managing Wholes: Water Cycle Basics
A great slideshow that compares an effective water cycle with an ineffective one. Content can be read in five different languages.
Khan Academy
Khan Academy: Biogeochemical Cycles Review
Review information on the cycling of matter throughout the spheres of Earth.