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Water Supply and Water Users SGC FFA Mr. Hochreiter
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TN State Standard Evaluate water sources and uses in the local community. Compare and contrast how various water uses (such as agricultural, industrial, power-plant cooling, recreational, and public) impact overall water quality and quantity. Describe how legal issues and water costs impact consumption in an informational narrative. (TN Reading 2; TN Writing 2, 4, 8, 9)
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Water one of the most fascinating compounds on earth necessary ingredient for all living organisms
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covers about __% of the earth of the earth’s surface ___ million cubic miles of water on the planet
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97% is in _______ 2% is _______ 1% is ______ _______and icecaps
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The water cycle the amount of water on and around this planet is ____ ________ __________of water is not as constant
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water is continuously ______ from place to place the water cycle is called the ________ ________
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powered by ____ ______ heats the water causing it to ____ into the atmosphere called _______
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water eventually returns to the ocean in the form of ___, ____or _____ returned water is called _______water
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if the oceans were not recharged, their water level would decrease over 40 inches per year
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the oceans are the largest reservoir of water we know this water is unsuitable for _____, _________ ___, or _______ ___because of the high salt content
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the _____ is left behind when the ocean water evaporates once the water has evaporated, it forms clouds
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the water then comes back to the earth as ___, ___or ____ clouds may drop water over land or over the ocean
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rainwater accounts for only __ % of the total water supply rain is vital in keeping the water balance on earth
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role of plants and animals in the cycle plants absorb water through their _____ and release it through tiny pores in their leaves called _______
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evaporation of water from plants is called _________ animals also need water for their ________ promotes chemical activity, regulates _________
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and transports nutrients through the ______of animals __% of an animals weight is water
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surface water about __% of the rainfall in the US falls into our lakes, ponds and streams
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this surface water is the ____ _______ ______to the conservationist used by people over and over as it makes its way toward the ocean
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used for agriculture industrial domestic needs
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Pollution renders much of the water ________ for our needs
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Ground water water that does not either evaporate or run off - ____ ___ ___ _______
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Three zones ______- dry soil accepts water until saturated zone of _______ - empty spaces filled with ___, extends from the deepest roots to just above the water table
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__________ zone - below zone of aeration water saturated rocks called _______ can equal about ___ years of surface runoff volume
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Main components oceans evaporation - transpiration plants and animals surface water ground water
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Water users variation in population densities U.S. Population drinks about 100 _______ gallons of water per day only a fraction of water used
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agriculture industry hydroelectric plants fish and wildlife recreational and domestic
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Agriculture main use is _______ most common methods include: ______ and _______ techniques
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Industry uses more water than any other ___ ________ only a small part of the water is actually consumed used as a _______ for other processes
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_______ - water is used to clean product and the containers cool ovens boil the product wash away wastes
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may become part of the product most water is _________or returned to the natural water cycle in a drainage ditch or stream
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paper is made in water industry draws about 40 _______ gallons of water per day _____ ______- major factor in location of industry
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strong _______ ______ methods to recycle water rather than draw from an outside source
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Hydroelectric plants major use of water _______ ________leads the world in hydroelectric power supplies only a small portion of our needs
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Hydroelectric Plants concern is with ________of rivers fish runs are interrupted habitat is _________ puts wildlife in danger
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Fish and Wildlife the way water is handled affects the fish in the water and the wildlife around the water
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land wildlife, inland birds, waterfowl different species require different types of water
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some fish prosper in cold mountain streams some may prefer fast running rapids
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Recreation _____, water skiing, fishing, sailing and swimming _______ _______- require a lot of water to keep them in compliance with health regs.
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______water activities ice skating, hockey, snowboarding and skiing
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Domestic Uses ________ _______ or ________ carry away wastes Each American uses _____water than any other person in the world
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In the US each person uses approximately ____ gallons of water per day bath - __-__ gallons shower - __ gallons per minute
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Wash clothes - __ gallons flush the toilet - __ gallons water the lawn and garden, wash cars fire protection
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Use How wasteful can we be and still have enough clean water to survive?
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