1) process by which rocks are broken down by chemical reactions a) Physical Weathering b) Chemical Weathering 2) process of rocks, soil, and minerals being slowly broken down or broken apart by the Earth's environment a) Physical Weathering b) Chemical Weathering 3) Abrasion - scraping away the surface a) Physical weathering b) Chemical Weathering 4) Ice wedging - freezing and thawing of water a) Physical Weathering b) Chemical Weathering 5) Plant roots grow into cracks and break apart a) Physical Weathering b) Chemical Weathering 6) Burrowing - animals scrape and dig the terrain a) Physical Weathering b) Chemical Weathering 7) Temperature change - cold to hot expanding and contracting a) Physical Weathering b) Chemical Weathering 8) Gravity - falling rocks or debris, compression a) Physical Weathering b) Chemical Weathering 9) Hydrolysis - water softens minerals in rocks changing their identity a) Physical Weathering b) Chemical Weathering 10) Oxidation - iron combines with oxygen making rust a) Physical Weathering b) Chemical Weathering 11) Carbonation - carbon dioxide in rainwater creates carbonic acid a) Physical Weathering b) Chemical Weathering

Weathering

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