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Your search for "water cycle" gave back 128 results.
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Design and build a water filtration system and collect data to compare water before and after filtration.
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The oceans are mostly composed of warm salty water near the surface over cold, less salty water in the ocean depths. These two regions don't mix except in certain special areas, which creates a large slow current called the thermohaline circulation.
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This lesson is primarily for elementary school teachers who are looking for a hands-on inquiry based activity to teach their students about evaporation.
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The cryosphere consists of those parts of the Earth's surface where water is found in solid form, including areas of snow, sea ice, glaciers, permafrost, ice sheets, and icebergs. This animation shows fluctuations in the cryosphere.
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The purpose of this lesson is to expose elementary level students to the practice of “developing and using models” as students explore and identify landforms and bodies of water on a map of the world. It is anticipated that this lesson will take one hour.
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This interactive lesson uses a blow-up globe and a kinesthetic activity to help participants gain an understanding of how much water is on Earth’s surface.
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This unit will introduce you to many of the complex issues surrounding the Earth as a system and will help you to look at Earth in a new way—as a living system.
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Students will learn about how NASA’s Earth observing satellites are helping us better understand Earth’s freshwater resources and help farmers with agriculture.
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Students will learn about how NASA’s Earth observing satellites are helping us better understand Earth’s freshwater resources and help farmers with agriculture.
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Students will learn about how NASA’s Earth observing satellites are helping us better understand Earth’s freshwater resources and help farmers with agriculture.