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20 Cards in this Set
- Front
- Back
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Zone of Aeration
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Rainwater that passes through the upper zone called...
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Zone of Saturation
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Farther down, the water collects in an area called...
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water table
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The upper surface of underground water; the upper boundary of the zone of saturation.
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aquifer
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A body of rock or sediment that stores groundwater and allows the flow of groundwater.
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porosity
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The percentage of the total volume of a rock or sediment that consists of open spaces.
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permeability
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The ability of a rock of sediment to let fluids pass through its open spaces, or pores.
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impermeable
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A rock that stops the flow of water.
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water cycle
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The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean.
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recharge zone
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An area in which water travels downward to become part of an aquifer.
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ground water
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The water located within the rocks below the Earth's surface.
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Spring
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If the water table reaches the Earth's surface, water will flow out from the ground to form a......
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Lakes
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Considerable inland body of standing water.
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cap rock
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The permeable rock is an aquifer, and the top layer of impermeable rock is called......
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artesian spring
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A spring whose water flows from a crack in the cap rock over the aquifer.
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well
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A human-made hole that is deeper than the level of the the water table is called a..
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cave
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When underwater erosion happens caves form.
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stalactite
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sharp icicle-shaped features that form on cave ceilings.
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stalagmite
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Water that falls to the caves's floor adds to cone-shaped features.
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dripstone columns
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If water drips long enoug, the stalactites and stalagmites join to form a...
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sinkhole
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The roof of the cave can collapse, which leaves a circular depression called a...
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