Global Water Cycle & Heat Flow
Students experiment to discover how different variables affect the water cycle. They do hat flow experiments and construct a computer heat flow model.
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Science & Nature Information : What Is the Water Cycle?
An expert on the water cycle is featured giving a lecture about the basics of the water cycle. The teacher stands at a whiteboard that has a particularly good illustration that shows how the cycle works quite nicely. He makes a special...
2 mins 4th - 8th Science