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Weathering/fossils

TermDefinition
Weathering Breakdown of Rocks
Mechanical Physically breaking rocks
Ice wedging Water freezes and cracks rocks
Pressure release Exfoliation ; rocks come off in layers
Plant roots Plant roots crack rocks
Chemical Rocks break down chemicaly
Rust Iron minerals in the rocks mix with water and oxygen to rust
Three factors Surface area , Rock Composition, And climate
Erosion Weathered rock particles are moved
Fossils Traces, Remains and evidence of living things
Sedimentary Rocks Where most fossils are found
Mold fossils A layer of sediment covers the organism; Impression
Cast fossil What a mold is filled in; Makes a copy
Trace Foot prints,Burrows, Feces, ETC..
Amber Fossilized tree sap
Scientist Can make predictions on the environment based on fossils
Created by: S33456
Popular Earth Science sets

 

 



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