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Weathering/fosils

TermDefinition
Weathering Break down of rocks
Mechanical Physically breaking down rocks
Ice wedging Water freeze and cracks rocks
Pressure release Exfoliation come off in layers
Plant roots Plant roots crack rocks
Abrasion Rocks wear down from water and waves
Chemical Rocks brake down chemically
Acid Rain Causes weathering by dissolving minerals in rocks
Rust Iron minerals in the rocks mix with water and oxygen to form rust
Three factors Surface area, rock composition, and climate
Erosion Weathered rock particles are moved
Fossils Trace, remains, or evidence, of living things
Sedimentary rocks Where most fossils are found
Mold Fossils A layer of sediment covers the organism, impression
Cast fossils Where a mold is filled in make a copy
Trace Footprints, burrows, feces, etc
Amber Fossilized tree sap
Scientist Can make a prediction about the ecosystem based on fossils
Created by: s33802
Popular Earth Science sets

 

 



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