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Weathering - Soils

Flora - Weathering & Soils Vocabulary Study Stack

QuestionAnswer
This horizon is bottom layer that contains rock fragments and partially weathered parent rock C Horizon
Rocks breaking apart without any change in chemical composition mechanical weathering
Vertical section of soil layers and underlying parent rock soil profile
Rocks breaking caused by water in cracks freezing and expanding ice wedging
Remains of dead plants and animals that decay organic matter
a desert forms desertification
breaking down rocks into smaller pieces from the action of water, air and organisms weathering
organic matter found in soil produced by decaying plants and animals humus
groundwater carrying dissolved soil materials through soil layers leaching
the horizon below the top layer of soil that contains less humus than the top layer B Horizon
breaking down of rocks in which rock material is changed chemical weathering
the history of local weather over a period of years climate
loose rock fragments and clay derived from weathered rocks mixed with organic matter soil
oxygen from air combining with minerals in rocks to form oxides oxidation
a layer of soil in a soil profile horizon
this horizon is the top layer of soil that is the most fully evolved layer A Horizon
this type of weathering forms caverns chemical
mosses that cover a rock can cause this kind of weathering chemical
roots of trees break rocks apart causing this kind of weathering mechanical
Created by: sflora
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