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15 terms

science 3-5

STUDY
PLAY
artesian well
A well in which water rises because of pressure within the aquifer.
geyser
A type of hot spring in which the water is under pressure and bursts periodically into the air
irrigation
The process of SUPPLYING WATER to areas of land to make them suitable for GROWING CROPS
conservation
the preservation and careful management of the environment and of natural resources
water pollution
The addition of any substancethat has a negative affect on water or the living things that depend on the water.
polluntants
The substance that causes water pollution.
point source
A specific source of pollution that can be identified, such as a pipe.
nonpoint source
A widely spread source of pollution that is difficult to link to a specific point of origin.
water quality
a measurement of the substances in water besides water molecules
concentration
The amount of one material in a certain volume of another material
pH
a measure of how acidic or basic a solution is on a scale of 0-14
hardness
the level of the minerals calcium and magnesium in water
coliform
bacteria found in human and animal waste
filtration
the process whereby fluids pass through a filter or a filtering medium
coagulation
The process by which particles in a liquid clump together; a step in the water treatment process.