Question Answer
Water cycle The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean
Water table The upper surface of underground water; the upper boundary of the zone of saturation
Aquifer A body of rock of sediment that stores groudwater and allows the flow of groundwater
Porosity The percentage of the total volume of a rock or sediment that consists of open spaces
Permeability The ability of a rock or sediment to let fluids pass through its open spaces, or pores
Artesian spring A spring whose water flows from a crack in the cap rock over the aquifer
Evaporation When water from the ocean and the earths surface changes into water vapor
Condensation When water vapor cools and changes into water droplets that form clouds in the atmosphere.
Precipitation Rain,snow,sleet, or hail that falls from clouds onto the earths land and surface
Transpiration The process where plants absorb water through the roots and then give off water vapor through pores in their leaves
Runoff The draining away of water
Percolation The downward movement of water through pores and other spaces in soil due to gravity
Groundwater Water held underground in the soil
Impermeable Not allowing fluid to pass through
Well A shaft sunk into the ground to obtain water
Zone of aeration A region between the earths surface and the water table
Zone of saturation The area in an aquifer, below the water table, in which relatively all pores and fractures are saturated with water.
Fresh water

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