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unit 8

TermDefinition
weathering
physical weathering
abrasion the process by which rock is reduced in size by the scraping action of other rocks driven by water, wind, and gravity
chemical weathering the chemical breakdown and decomposition of rocks by natural processes in the environment
oxidation
acid pecipitation acid precipitation (AS•id prih•sip•ih•TAY•shun) precipitation, such as rain, sleet, or snow, that contains a high concentration of acids, often because of the pollution of the atmosphere
erosion
deposition
floodplain
delta
alluvial fan a fan-shaped mass of rock material deposited by a stream when the slope of the land decreases sharply
groundwater
shoreline
beach an area of the shoreline that is made up of deposited sediment
sandbar
barrier island
dune
loess
glacial drift
creep the slow downhill movement of weathered rock material
rockfall
landslide
mudflow
mountain
lake
river
coastline a location where land and ocean surface meet
Created by: Madison clifton
 

 



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