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Ch 12: Weathering, Soil and Erosion

Across
Salt and mineral deposits accumulated on/in topsoil which severely diminish the soil's fertility
Rapid movement of water that contains large amounts of suspended clay and silt
Rain water induced by chemical compounds and pollutants which in turn, induce chemical weathering
Soil whose parent material is the bedrock beneath the soil
Process of soil gradually loosing its nutrients
Chemical reactions of oxygen with other substances
Disintegration where rock splits apart to smaller particals
Chemical weathering caused by reactions with water
Slow imperceptible move of soil down hill
Layers of soil beneath the top soil
Soils formed from different regions and moved to different locations
Rock split apart by frozen water
Levels of soil defining a soil profile
Masses of weathered material, saturated with water and flows down hill
Highest layer of soil containing organic material and humas
Down
The ability for soil to grow plants
Mechanical weathering were rocks grind to pebbles and pebbles grind to sand
Decomposition of rock caused by chemicals
Downward transportation of material caused by gravity
Breaking-up of rock caused by mechanical or chemical means which leads to decompition
Movement of large masses of rock and/or soil down hill on steep slopes
Loose weathered rock and organic material
Harden ed magma that remains from an eroded volcano
Material from which a soil is formed
Mass movements at the base of steep slopes
Cross section of earth
Removal and transport of material by natural agents such as wind and running water
Upward expansion of rocks that are formed dee[ underground may result in a mechanical weathering process
See 27 Across (Think Soil Horizon)
Blocks of land that tilt and move down hill