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Seifert 5th Grade

5th Grade Science

Fault A break in rock along which rocks have moved.
Fold A bend in a layer of rock.
Anticline An upward fold of rock layers.
Syncline A downward fold of rock layers.
Relative Age The age of an object as compared to that of other objects.
Index fossil A fossil used to determine the relative age of rock.
Absolute Age The actual age of an object.
Model Something used or made to represent an object or an idea.
Crust The outer layer of Earth.
Mantle Melted rock material that forms deep within Earth.
Core The inner most layer of Earth, which consists of a molten outer part and a solid inner part.
Erosion The removal of weathered rock.
Dome A mountain formed when rock layers are pushed up by magma.
Rocks resistant to erosion are called ___________. Ridges
Pieces of Earth's crust and upper mantle are called __________. Plates
Another name for steep ridges are called __________. Hogbacks
The process that breaks rocks down into sediments is called ____________. Weathering
Created by: heckman5