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Teacher Information!. Necessary materials: PowerPoint Guide. The Water Cycle. Pgs159-162 in Ch. 13 of Managing Our Natural Resources. Soil and Water Resources. TRUE or FALSE …. The amount of freshwater on our planet exceeds the amount that we use. Students will be able to….
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Teacher Information! • Necessary materials: • PowerPoint Guide
TheWater Cycle Pgs159-162 in Ch. 13 of Managing Our Natural Resources Soil and Water Resources
TRUE or FALSE… The amount of freshwater on our planet exceeds the amount that we use.
Students will be able to… • Explain the components of the water cycle.
Let’s review the WATER cycle • 70% of the earth’s surface • 340 million cubic miles of water constant amount • 97% oceans • 2% freshwater • 1% glaciers & icecaps • Amount available can change…
The WATERCycle Water vapor Precipitation Transpiration Percolation Runoff Evaporation Soil water Ocean Lake Ground water
The WATER Cycle • Water continuously moves from place to place • The WATER cycle = the hydrologic cycle • Powered by the • Evaporation
The WATERCycle • How does water return to the earth? • Returned water meteoric water • Transpiration water lost from plants • Surface water ponds, lakes, streams • 30% of rainfall • Used for agriculture, industry, domestic needs • Pollution Much of the surface water is useless to us
The WATER Cycle • Groundwatersoaks into the earth • 3 zones • Surfacewater • Aeration • Groundwater • Water table the top of an aquifer
Review • Can you explain the components of the water cycle?