Lesson 1
Water on Earth
How water appears and behaves across the planet.
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Micro lesson 1
Where Water ExistsMicro lesson 2
Changing Forms of WaterLesson 2
Movement of Water
How water travels between air, land, and ground.
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Micro lesson 1
Rain and Surface FlowMicro lesson 2
Water UndergroundLesson 3
Water Resources
How humans depend on moving water systems.
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Micro lesson 1
Using WaterMicro lesson 2
When Water Systems Fail