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Unit 8 Vocab Weather

TermDefinition
Weathering the various mechanical and chemical processes that cause exposed rock to decompose.
Erosion the process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc.
Physical Weathering any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock
Chemical Weathering any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock
Frost Action collective term for several mechanical weathering processes induced by stresses created by the freezing of water into ice.
Soil the portion of the earth's surface consisting of disintegrated rock and humus.
Humus the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth.
Soil Horizon any of the series of distinctive layers found in a vertical cross section of any well-developed soil.
Zone of Aeration This region is called the zone of saturation, and the water it...groundwater. The upper surface of the zone of saturation is called the water table.
Leaf Litter material forming a surface-covering layer, in particular.
Topsoil the fertile, upper part of the soil.
Sediments the matter that settles to the bottom of a liquid; lees; dregs.
Decomposition the act or process of decomposing.
Discharge to relieve of a charge or load; unload:
Glacier action landforms are landforms created by the action of glaciers.
Suspended soilds refers to small solid particles which remain in suspension in water as a colloid or due to the motion of the water. It is used as one indicator of water quality.
Bedrock unbroken solid rock, overlaid in most places by soil or rock fragments.
Aquifer any geological formation containing or conducting ground water, especially one that supplies the water for wells, springs, etc.
Terrace a raised level with a vertical or sloping front or sides faced with masonry, turf, or the like, especially one of a series of levels rising one above another.
Runoff something that drains or flows off, as rain that flows off from the land in streams.
Karst Topography landscape formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum.
Watershed the region or area drained by a river, stream, etc.; drainage area.
Created by: MadisonTarbert