75% of our earth is covered by water. Water can be found in oceans, lakes, rivers, groundwater, and sea ice. View these captivating photos of our earth showing the different water sources and images of our earth taken by NASA. Background information and teaching tips are also included.

Concepts

oceans, saltwater

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Additional Tags

2-ess2-3, fresh water sources, importance of water, ohio 4.ess.1.a, pbs learningmedia: the water planet, salt water, fresh water

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Classroom Considerations

• Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional