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Earth Science

Across
A subdivision of geologic period
Scientific study of fossils
Stress that occurs when forces act to squeeze and object
Principle that states that geologic processes that occurred in the past can be eplained by current geologic processes
Largest division of geologic time
Stress that occurs when forces act to stretch an object
The trace or remains of an organism that lived long ago most commonly preserved in sedimentary rock
Unit of geologic time into which eras are divided
The sinking of regions of the Earth's crust to lower elevations
Down
Unit of geologic time that includes two or more periods
Principle that states that geologic change occurs suddenlly
The thin solid outermost layer of the Earth above the mantle
The layer of rock between the Earth's crust and core
Atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons
The bending of rock layers due to stress
The death of every member of a species
The rising of regions of the Earth's crust to higher elevations
A break in a body of rock along which one block slides relative to another
Break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time
The central part of the Earth below the mantle