Graphic
Usgs: All of Earth's Water in a Single Sphere! Graphic
US Geological Survey

Usgs: All of Earth's Water in a Single Sphere!

For Students 9th - 10th
See how all of Earth's water compares to the total size of the Earth.
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Handout
Nh Pbs: Nature Works: Estuaries Handout
PBS

Nh Pbs: Nature Works: Estuaries

For Students Pre-K - 1st
Learn more about estuaries when you visit this informative site. This resource provides locations of and weblinks to estuaries in the United States.
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Handout
Science4 Fun: Lakes Handout
Science4Fun

Science4 Fun: Lakes

For Students K - 1st
What is a lake? Learn about some famous lakes in the world and how they are formed.
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