Learn all about the water cycle.  What do the terms "evaporation," "condensation," and "precipitation" mean?  Where is most of the earth’s water found?  What is a glacier?  How can we conserve water?  The answers to all of these questions and more are covered in depth with detailed graphics, diagrams and exciting video.  On-screen, multiple-choice reviews at the end of each segment reinforce important concepts and make learning fun.