Pbs Learning Media: Earth's Systems: Moving Waters

Explore how water found in oceans, rivers, and other water bodies changes form and flows downward in these four videos produced by WGBH. Liquid water is found in water bodies across the planet. In locations where freezing temperatures occur, liquid water turns to solid ice. Students can use the video gallery to explore and identify characteristics of water and describe how water is found in different forms in different locations on Earth. An Activity, Background Essay, and Teaching Tips are provided.