The Geologic Time Scale

The scientific study of the origin, history, and structure of Earth and the processes that shape it.

• geology

• geography

• geometry

• geode

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

NGSS.MS-ESS2-3

The principle that states that all geologic change occurs suddenly:

• paleozoic

• uniformitarianism

• catastrophism

• sedimentary

The idea that the same geologic processes that shape Earth today have been at work throughout Earth's history:

• catastrophism

• uniformitarianism

• geology

• Pangaea

Tags

NGSS.MS-ESS2-2

Which were true about James Hutton?

• Scottish

• farmer

• father of modern geology

• observations at Siccar Point

• physicist

The shortest measurement of time on the geologic time scale:

The Earth is changed by both catastrophic events and the ongoing processes of uniformitarianism.

• True

• False

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-2

The _____ divides Earth's history into intervals of time defined by major events or changes on Earth.

• Social Studies Textbook

• principea

• Gregorian Calendar

• Geologic Time Scale

Tags

NGSS.MS-ESS1-4

The largest unit of geologic time:

• Eon

• Era

• Epoch

• Period

Tags

NGSS.MS-ESS1-4

Eons are divided into smaller units of time called:

Tags

NGSS.MS-ESS1-4

Eras are subdivided into smaller units called:

• eons

• eras

• epochs

• periods

Tags

NGSS.MS-ESS1-4