Build A Model of the Water Cycle
Students identify and describe the steps in the water cycle. They discover the sun as the source of the cycle. They work together to create their own water cycle model.
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Water Purification by Evaporation and Condensation
This easy-to-perform demonstration shows students how the water cycle, specifically the processes of condensation and evaporation, purifies Earth's water supply. Just mix up some water, dirt, and gravel in a glass bowl, place a cup in...
4th - 7th Science