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8th Science Water Cy

8th Science Water Cycle

TermDefinition
aquifer underground layer of porous rock or sand that contains water
condensation change from gas to liquid
evaporation change from liquid to gas below boiling point
freezing change from liquid to soild
glacier large slowly moving body of ice and snow
melting change from solid to liquid
phase change change from one state of matter to another
precipitation water that falls to the Earth's suface
reservoir body of water used to store water for human use
run off water that moves across surface of land into streams or rivers
transpiration release of water from the leaves of plants
water cycle continious movement of water
bacterial pollution presence of harmful bacteria in the water supply
nutrient pollution presence of excessive nutrients in the water supply
sediment pollution excess sediment such as silt or clay
toxic pollution presence of toxic substances in the water supply
water pollution introduction of harmful substances to the water supply
fresh water water with no salt content
salt water water that contains salt and other minerals
divide a ridge from which water flows in different directions
drainage basin area into which all water from one side of the divide flows
turnover rising and sinking of cold and warm layers in a lake
eutrophication increase in nutrients in lake or pond
iceberg mass of ice floating in the ocean
ground water water held underground
permeable substance liquids can flow though
impermeable substance liquids can not flow through
water table top of the region that is saturated
spring flow of water from the ground at a place where the surface is below the water table
artesian well a well where water flows naturally because it is under pressure
Created by: robinkuhn
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