Water & The Water Cycle 

from http://science-class.net/archive/science-class/Meteorology/Water_cycle.htm

We never know the worth of water till the well is dry. 

Thomas Fuller

These resources are generally appropriate for grades 5 - 9. In some cases they have been classified by grade level. 

The groupings are general and somewhat arbitrary. As with anything in education; your milage may vary.

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