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unit 8

QuestionAnswer
weathering the natural process by which atmospheric and environmental agents such as rain wind and temperature changes disintegrate and decompose rocks
physical weathering the mechanical breakdown of rocks into smaller pieces that is caused by natural processes and that does not change the chemical composition of the rock material
abrasion the process the by which rock is reduced in size by the scarping action of other rocks driven by water wind and gravity
chemical weathering the chemical breakdown and decomposition in the environment
oxidation the chemical reaction in which a material combines with oxygen to form new materials
acid precipitaion precipitation such as rain snow or sleet that contains a high concentration of acids often because of the pollution of the atmospere
erosion
depostition
floodplain
delta
alluvial fan
groundwater
shoreline
beach
sandbar
barrier island
dune
loess
glacier
glacier drift
creep
rockfall
landslide
mudflow
mountain
lake
river
coastline
Created by: Ana Maria Ferrao
 

 



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