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science ch. 8

ch.8 science vocab words

QuestionAnswer
The cross section of earth exposed by the digging soil profile
loose, weathered rock and organic material in which plants with roots can grow soil
The material form which a soil is formed parent material
Soil that has bedrock as its parent material residual soil
Soil that formed from parent material left by winds, rivers,or glaciers, or soil that its self was moved from its original location transported soil
The A-horizon of soil topsoil
The B-horizon of soil that contains clay and iron oxides washed from topsoil subsoil
any chemical reaction of water with other substances hydrolysis
The chemical reaction of oxygen with other substances oxidation
A weak acid formed when crbon dioxide dissolves in water carbonic acid
Mechanical weathering proccess in which water freezing in cracks of rocks wedges rocks apart ice wedging
Peeling of surface layers from exposed bedrock exfoliation
The process in which rocks are broken up by the actionof water, the atmosphere, and organsims weathering
Process by which earth materials are moved by natural agents like moving water, wind, and ice erosion
Disintegration that takes place when rock is broken into smaller pieces without changing its chemical compostion mechanical weathering
Brekdown or decomposition of rock that takes place when minerals are changed into different substances chemical weathering
Slow, often invisible, movement of soil down a slope creep
A sudden movement of a mass of bedrock or loose rock down the slope of a hill, a mountain, or a cliff. landslide
The downslope movement of large masses of earth materials due to the pull of gravity mass movement
Created by: fritz
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