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Groundwater
Water filling in the pore space between rocks or soil grains.
Water table
Point closest to the surface where water occurs.
Aquitard
prevents movement of water.
Zone of saturation
area with water.
Zone of aeration
area without water.
Porosity
amount of open space in a rock
Permeability
ability of water to move through the ground.
Aquifer
porous and permeable rocks mostly sand and grains
Spring
place where groundwater reaches the surface.
Hot springs
water that comes from deep in the Earth and reaches the surface.
Geysers
spring where water is heated than exploded outwards.
Well
Deep hole that gives water.
Over pumping
when too much water is pumped to quickly ground subsidence occurs and the ground is no longer supported.
Polluting water
septic tank explosions, pesticides in plants and dumping toxins into the ground.