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Weathering Unit

Weathering, Erosion, Soil Layers, River Erosion

TermDefinition
Abrasion scrapping of rock surfaces by hitting other rocks/sand (mechanical weathering)
acid rain gases react chemically with water forming acids
Agent Glacier this agent can create unsorted piles of rocks. Rocks have one side smooth.
Agent Gravity this agent creates piles of unsorted, jagged rocks on the bottom of mountains and cliffs
Agent Water this agent can create sorted, rounded rocks. Sediments undergo abrasion.
Agent Wind this agent can create sorted sediments. Sediments undergo abrasion.
animal action animals burrow and dig moving sediments (mechanical weathering)
carbonation carbon dioxide dissolved in water forms an acid that dissolves rocks (chemical weathering)
Chemical Weathering rocks broken down through chemical changes (changing the material)
Cool and Wet Climate this climate would have more physical weathering (ice wedging)
Erosion The process by which wind, water, ice, or gravity transports soil and sediment from one location to another
exfoliation sheets of rocks breaking off due to release of pressure (mechanical weathering)
frost wedging water gets into cracks and freezes causing the cracks to get bigger (mechanical weathering)
Hydrolysis water weathers rock by dissolving it (chemical weathering)
oxidation oxygen combines with minerals that have iron causing "rusting" (chemical weathering)
Physical Weathering rocks broken down into smaller pieces by external conditions (not changing the material)
root wedging rocks are broken due to plants as they grow through cracks (mechanical weathering)
Two types of weathering 1. Physical (Mechanical). 2. Chemical
Warm and Wet Climate This climate would have more chemical weathering
Created by: Miller's Class
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