1
There is water all over Earth in different forms. By far, most of the planet's water is in the oceans, but it is in other places as well. Sometimes water is a liquid, sometimes it is a solid, and sometimes it is a gas. These changes in the states of matter are the result of the water either gaining...
Grade Level   5 6
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2
Water in its liquid state is visible, as ponds, streams, water in bottles, and wet surfaces. You can also see water in its solid form , ice and snow. Water as a gas in the air, also called water vapor, is invisible. The process of visible liquid water turning into invisible gaseous water is called...
Grade Level   5 6
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3
You will create a model of a watershed with paper. By observing how surface water flow is determined by the shape of the land, you will visually and dramatically observe the physical characteristics of a watershed, and investigate the impacts of human land use decisions.
Grade Level   6 7 8
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4
Published in 2016
A watershed is the area of land that water flows over to reach a river, lake, or a stream. Near the upslope edges of a watershed, small tributary streams (1st, 2nd and 3rd order) begin gathering water that flows downstream into larger rivers and eventually drains into a river, bay, or ocean. Some of...
Grade Level   6 7 8
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5
Published in 2016
Many things contribute to a healthy watershed. Certain land cover types like farm fields, cow pastures, sewage treatment plants and landfills are sources of nutrient and sediment pollution to streams. Rain falling on hot parking lots and rooftops in the summer delivers warm runoff water to streams....
Grade Level   6 7 8
Classroom Activities Curricula and Instruction
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