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Science homework

Ewen 6th period class

QuestionAnswer
irrigation process of supplying water to areas to make suitable for growing crops
conservation practice of using less of a resource so that it will not be used up
desalination obtaining fresh water from salt water
water quality measurement of the substances in water besides water molecules
concentration the amount of one substance in a certain volume of another substance
pH measurement of how acidic or basic the water is on a scale of 0-14
hardness combined level of two minerals- calcium and magnesium- in a sample of water
filtration process of passing water through a series of screens that allows water through, but not larger solid particles
coagulation the other particles that stick to the flocs
sewage water containing human wastes
water pollution addition of any substance that has a negative effect on water or the living thing that depend on water
pollutant substances that cause water pollution
point source specific source pollution that can be identified
non-point source widely spread source of pollution that can't be tied to a specific point of origin
pesticide chemicals intended to kill insects and other organisms that damage crops
acid rain rain or another form of precipitation that is more acidic than normal
drought a long period of scarce rainfall
flash flood sudden and violent flood that occurs within a few hours, or even minutes, of a storm
levee long ridge formed by deposits of sediments alongside a river channel
Created by: spingy
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