sience chapter 16
Terms
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- spring
- is a natural flow of groundwater to Earth's suurface.
- aquifer
- a body of rock or sediment that stores groundwater and allows the flowof groundwater.
- well
- is a hole that is dug below the level of the water table and through which groundwater is brought to Earth's surface.
- porosity
- a percentageof a total volum of rock or sediment that consists of open space.
- cavern
- a natural cavity that forms in rock as a result of the dissolutionof minerals.
- permeability
- the ability of a rock or sediment to let fluids pass through its open spaces, or pores.
- natural bridge
- the uncollapsed rock between each pair of sinkholes forms an arch.
- sinkhole
- a cicular depression that forms when rock dessolves.
- water table
- the upper surface of underground water; the upper boundary of the zone of saturation.
- groundwater
- the water that is beneath Earth's surface.