American Geosciences Institute
American Geosciences Institute: Big Idea 5: Earth Is the Water Planet
Understand how water formed on Earth and why water is so important to Earth processes. [4:23]
PBS
Pbs Learning Media: Wgbh: Distribution and Uses of Water
A progressive chart of the way water is distributed around the Earth. Identify percentages of allocation by percentage in oceans, fresh water, and fresh surface waters. Another piece of data provided illustrates the actual numbers broken...