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22 Cards in this Set
- Front
- Back
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WATER QUALITY
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the degree of purity of water
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PH
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how acidic or basic a substance is, measured on a scale of 1 to 14.
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HARDNESS
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the level of the minerals, calcium and magnesium in water.
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CONCENTRATION
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the amount of one substance in a certain volume of another substance.
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FILTRATION
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the process of passing water through a series of screens that allow the water through, but not larger solid particals.
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FLOCS
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sticky globs created by adding a chemical such as alum during water treatment.
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COAGULATION
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the process by which particles in a liquid clump together, a step in the water treatment process.
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SEWAGE
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water containing human waste
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SLUDGE
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deposits of fine solids that settle out from wastewater during the treatment process.
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SEPTIC TANK
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an underground tank containing bacteria that treats wastewater as it passes through.
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LEACH FIELD
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the ground area around a septic tank through which wastewater filters after leaving the tank.
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DROUGHT
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a water shortage caused by lon periods of little rain.
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CONSERVATION
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the process of using a resource wisely.
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DESALINATION
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the process of obtaining fresh water from salt water by removing salt.
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WATER POLLUTION
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the addition of any substance that has a negative effect on water or the living things that depend on the water.
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point source
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a specific source of pollution that can be identified, such as a pipe.
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nonpoint source
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a widely spread source of pollution such as road runoff, that is difficult to link to a specific point.
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acid rain
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rainwater that is more acidic than normal
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pesticide
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a chemical intended to kill insects and other organisms that kill crops
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kinetic energy
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the form of energy that an object has because of its motion.
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potential energy
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energy that is stored and available to be used later.
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hydroelectric power
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electricity produced by the kinetic energy of water moving over a waterfall or dam.
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