Geologic Time Vocabulary

The remnant, or trace, of an ancient living organism that has been preserved in rock or sediment

• Era

• Period

• Fossil

• Correlation

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Te age of one geologic feature with respect to another

• Absolute Age

• Relative Age

• Era

• Period

Tags

NGSS.MS-ESS1-4

The process of defining age relations between the strata at one locality and the strata at another

• Correlation

• Relative Age

• Absolute Age

• Period

In a stratigraphic sequence, different species of fossil organisms appear in a definite order

• Unconformity

• Correlation

• Fossil Succession

• Gradualism

Tags

NGSS.MS-LS4-1

The theory that evolution happens at a constant, slow rate

• Punctuated Equilibrium

• Gradualism

• Fossil Succession

• Correlation

An interval of geologic time representing the largest subdivision of the Phanerozoic Eon

• Period

• Year

• Era

• Seconds

Tags

NGSS.MS-ESS1-4

The process of turning to stone

• Cast

• Mold

• Fossil

• Petrified

The age of a geologic feature given in years

• Relative Age

• Correlation

• Absolute Age

• Era

The hypothesis that evolution takes place in fits and starts

• Gradualism

• Creationism

• Punctuated Equilibrium

• Period

The remarkable diversification of life, indicated by fossil record

• Natural Selection

• Correlation

• Cambrian Explosion

• Fossil Succession

Tags

NGSS.MS-LS4-1