The relative age of rocks

A rocks age compared to other rocks.

• Relative age

• Absolute age

• Law of superposition

• Radioactive Decay

Tags

NGSS.MS-ESS1-4

The number of years that have passed since the rock was formed.

• Intrusion

• Absolute age

• Index fossil

• Extrusion

The determined relative age of sedimentary rock.

• Half life

• Law of superposition

• Index fossil

• Fault

Tags

NGSS.MS-ESS1-4

Lava that hardens on the surface and forms igneous rock.

• unconformity

• Half Life

• Index fossil

• Extrusion

A break in the Earth's crust.

• Intrusion

• Extrusion

• Index fossil

• Fault

A fossil that helps geologist match rock layers.

• Absolute age

• Law of superposition

• Index fossil

• Relative Age

Magma that pushes through a body of rock below the surface where it cools and hardens.

• Intrusion

• Extrusion

• Index fossil

• Absolute Age

A gap in the geological record.

• Intrusion

• unconformity

• Index fossil

• Absolute Age

Tags

NGSS.MS-ESS1-4

release of elements is a process called

• Radioactive Decay

• unconformity

• Index fossil

• Half Life

Tags

NGSS.HS-PS1-8

The time it takes for half of the radioactive atoms to decay

• Radioactive Decay

• unconformity

• Index fossil

• Half Life

Tags

NGSS.HS-PS1-8