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Unit 8: Water Cycle

Eighth Grade Science

TermDefinition
Evaporation Liquid water turns into a gas or vapor, energy must be added, happens before condensation
Transpiration Liquid water evaporates through the leaves of plants, energy must be added, happens before condensation
Condensation Gas (vapor) turns into liquid water, energy must be removed, happens before precipitation
Precipitation Energy stays the same, happens before evaporation, snow, rain, sleet, hail
Distillation A method that consists of heating a liquid until it evaporates, and then condensing the vapor and collecting in a separate container
Pollutant Substances found in water that don't belong there
Purify Distillation purifies water by removing the pollutants so that the water is clean and pure
Runoff Precipitation that flows overland into surface water, like lakes and streams
Infiltration Water that seeps deeper into the Earth
Water Table The water level underground, it represents the boundary between the unsaturated zone and the saturated zone
Unsaturated Zone Lies above the water table and is filled with a lot of air pockets period
Saturated Zone Where all of the spaces between the rocks and soil are filled with water period save
Groundwater Water that is stored in the saturated zone spaces
Aeration Air is added to water. This allows the gases trapped in water to escape and adds oxygen to the water
Coagulation Dirt and other suspected solid particles began to stick together chemically into clumps called "floc"
Sedimentation Gravity is an important force during sedimentation causing the floc to fall to the bottom of the water
Filtration Sand and pebbles filters remove most of the impurities remaining in the water after coagulation and sedimentation
Created by: FutureFarmer
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