Water Is Cool!
Students explore the importance of water. In this water lesson, students view a table to determine the amount of water found in the oceans, lakes, atmosphere, and streams. Students discuss ways to be a good steward of water.
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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