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Science vocab words

TermDefinition
Weathering The breaking down of rocks into sediment
Erosion The movement of rocks and other sediment from one place to another(Wind, water, glaciers, and gravity)
Ice wedging A type of weathering due to freezing and thawing of water in the cracks of rocks
Chemical Weathering When chemicals breaks down the bonds holding rocks together and cause them to fall apart into smaller pieces
Oxidation Chemical Weathering in which iron combines oxygen to make rust
Carbonation Chemical weathering in which carbon dioxide combines with water to create acid rain that breaks down rocks
Physical Weathering The mechanical breaking down of rock
Abrasions Physical Weathering in which rock scrape against other rocks and break them into smaller pieces (River rocks)
Plant action Physical Weathering in which animals break apart rocks
Animal burrowing Physical Weathering in which animals break apart rocks
Other factors Changing temperatures expanding and contrasting rocks and gravity pulling down are also Physical weathering
Deposition Sediments, soil and rocks dropped and added to a landform
Law of superposition Older rock layers are on the bottom and younger rock layers are on the top.
Law of Original Horizontality Rock layers are originally laid flat
Law of Cross Cutting Relationships Rocks or flats that cut into other rocks are younger than the rocks they cut into
Intrusion Rock layers (from magma) that cut into other rocks
Relative aging The approximate age of rocks compared to the other rocks around them
Absolute aging The age of rocks by measuring chemical properties
Created by: user-2016332
 

 



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