The water cycle at work

Contents includes: Water covers the earth -- The water cycle -- Evaporation -- Humidity -- Condensation -- Clouds -- Precipitation -- An endless cycle
Summary: Why does it rain? This title introduces readers to the water cycle. Evaporation, precipitation, condensation, and other vocabulary words are defined. Each stage of the water cycle and why it is important to humans is explained. Graphics provide additional support. An activity to help readers understand the concept is included. (Back cover)