The Water Cycle--Model Simulation
Students build a model to simulate parts of the water cycle. They recognize and explain the essential elements of the water cycle.
1 Collection 83 Views 280 Downloads
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