Rivers and Groundwater Systems: Watersheds

tutorial Tutorial: Earth's Water Cycle

It is 3:00 in the afternoon and you are ready for an important soccer game. But suddenly it starts to rain. Upset that your game may be cancelled, you wonder why it had to start raining today of all days. Where did all that water in the sky come from? This presentation goes over where the rain comes from and some other facts about how water moves on Earth.

Select the play button to begin the tutorial, and then use the navigation buttons to pause/stop, continue, or reset the tutorial. View the presentation as often as you would like, and take notes as you follow along.  Be sure to set your volume at a reasonable level before you begin.

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