sci vocab soil Flashcards
Anything that has or had characteristics of life
organism
the local bedrock of this soil was parent material
residual soil
loose covering of weathered rock and decaying organic matter
soil
distinct layer within profile
soil horizon
vertical sequence of layers
Soil profile
Soil that has been moved far from parent material
transported soil
solution that contains hydrogen ions
acid
process changing the composition of rocks and minerals
chemical weathering
process stripping away outer layer of rock
exfoliation
The breaking down of rocks physically into smaller pieces
mechanical weathering (physical weathering)
The chemical reaction of oxygen with other substances
oxidation
The freeze-thaw cycle of water in the cracks of rock
frost wedging
The process of breaking down and changing materials
weathering
force between two objects due to their mass and distance
gravity
Removal of weathered rock and soil
erosion