Geological Time

Longest subdivision;  based on the abundance of certain fossils

• Era

• Eon

• Period

• Epoch

Next to longest subdivision; marked by major changes in the fossil record

• Era

• Eon

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

Based on types of life existing at the time    

• Era

• Eon

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Shortest subdivision;  marked by differences in life forms and can vary from continent to continent.

• Era

• Eon

• Period

• Epoch

Tags

NGSS.MS-ESS1-4

          Catastrophism is the thought process that Earth history dominated by violent events

• True

• False

Tags

NGSS.MS-ESS3-2

                    Uniformitarianism is the thought process that Earth history dominated by violent events

• True

• False

What way to measure time involves known order of events but not dates.

• Absolute

• Fossil

• Gregorian

• Relative

Which principle of relative dating states that younger features cut across older features

• Horizontalitly

• Cross-cutting

• Verticality

• Superposition

Early scientific Attempts of absolute dating the Earth involved what of the following?

• The Bible

• Wars in relation to Each other

• Salt content in the Ocean

• Fossil records

Tags

NGSS.HS-ESS1-6

         What kind of fossil is when minerals replace the remains and they become rock.

• Petrified

• Index

• Trace fossil

• Cast