Earth's Interior

Front

A partially melted layer below the lithosphere

Back

Asthenosphere

Tags

NGSS.HS-ESS2-3

Front

Two plates moving toward each other

Back

Convergent Boundary

Front

Two plates moving away from each other

Back

Divergent Boundary

Front

Sudden and violent shaking of the Earth as a result of movement within the Earth's crust or volcanic activity

Back

Earthquake

Tags

NGSS.MS-ESS3-2

Front

A unit of time equal to a billion years

Back

Eon

Tags

NGSS.MS-ESS1-4

Front

A segment of geologic time that is longer than an age, but shorter than a period

Back

Epoch

Tags

NGSS.MS-ESS1-4

Front

A unit of time that includes two or more periods

Back

Era

Tags

NGSS.MS-ESS1-4

Front

A representation of time based on the rock record of Earth

Back

Geologic Time Scale

Tags

NGSS.MS-ESS1-4

Front

Any plant or animal preserved in the rock record of the Earth that is characteristics of a particular span of geologic time or environment

Back

Index Fossil

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Front

Top part of the mantle along with the crust

Back

Lithosphere

Tags

NGSS.MS-ESS1-4