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Cubangbang's 8thA Ch. 21 Groundwater System Stack #129321

Groundwater Water held underground in the soil or in pores and crevices in rock.
Hydrologic cycle The path that water takes between the ocean, clouds, precipitation, groundwater, and the ocean again.
Percolate Filter gradually through a porous surface or substance.
Water table The level below which the ground is saturated with water.
Zone of aeration The ground above the water table.
Porous Having minute spaces or holes through which liquid or air may pass.
Impermeable Not allowing fluid to pass through.
Perched water table A thin stratum of impermeable rock located above the water table that traps water.
Artesian well The kind of water that has enough pressure to spurt up through thee well.
Cone of depression Caused by a well that is over-pumped.
Recharge zone An area that resupplies groundwater
Cave A large underground chamber, typically of natural origin, in a hillside or cliff.
Dripstone Rock deposited by precipitation from dripping water, such as that which forms stalactites and stalagmites.
Flowstone Rock deposited as a thin sheet by precipitation from flowing water.
Stalactite A tapering structure hanging like an icicle from the roof of a cave formed of calcium salts deposited by dripping water.
Stalagmite A mound or tapering column rising from the floor of a cave formed of calcium salts deposited by dripping water and often uniting with a stalactite
Disappearing stream A stream that follows the hold in the underlying rock into the cave and disappears from the surface at that spot.
Appearing stream Cave streams that can erode a hole in the side of a cave that opens in a hillside.
Created by: jcubangbang