Click here to explore the water cycleExplore both the natural and urban water cycles with this interactive water cycle activity. See the natural process of water movement in the environment and examine the modern water use and reuse in urban and rural locations. Interactive tabs provide information that can be used to build learning about total water cycle management.
Here is an example of a social network in education. I heard it recently called 'network learning.' Ning is the best platform I've found, although the adds can be annoying. (>)_(<)