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Ch 11- 8th grade sci

Ch 11- 8th grade science- Erosion

Erosion The process by which wind, water, ice or gravity transports soil and sediment from one location to another.
Water Cycle The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean.
Tributary A stream that flows into a lake or into a larger stream.
Watershed The area of land that is drained by a water system.
Divide The boundary between drainage areas that have streams that flow in opposite directions.
Channel The path that a stream follows.
Load The materials carried by a stream.
Deposition The process in which material is laid down.
Delta A fan-shaped mass of material deposited at the mouth of a stream.
Alluvial Fan A fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply.
Floodplain An area along a river that forms from sediments deposited when the river overflows its banks.
Aquifer A body of rock or sediment that stores groundwater and allows the flow of groundwater.
Porosity The percentage 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.
Recharge Zone An area in which water travels downward to become part of an aquifer.
Artesian Spring A spring whose water flows from a crack in the cap rock over the aquifer
Created by: hsdragon