Question Answer
Water cycle The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean
evaporation That takes place when water from the oceans and the earths surface changes into water vapor
condensation That takes place when water vapor cools and changes into water droplets that form clouds in the atmosphere
precipitation The rain, snow, sleet, or hail that falls from clouds onto the earths land and oceans.
runoff Is precipitation that flows over land into streams and rivers. This water layer enters oceans
percolation Is the downward movement of water through pores and other spaces in soil due to gravity
Is the water present beneath earths surface in soil pore spaces and in the fractures of rock formations.
water table The upper surface of underground water. The upper boundary of the zone of saturation
aquifer A body of rock or sediment that stores groundwater and allows the flow of groundwater
porosity The precentage 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
impermeable Not allowing fluid to pass through
artesian spring A print whose water flows from crack in the cap rock over the aquifer
well A well must be drilled deep enough so that when the water table drops, the well still contains water
zone of aeration Is the region between the earths surface and the water table
zone of saturation Is the area in an aquifer, below the water table, in which relatively all pores and fractures and saturated with water
Is the process by which plants release water vapor into in the air

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