Relative Dating

States that younger rocks lie above older rocks if the layers have not been disturbed

• Law of crosscutting
• Law of superposition
• Relative Dating
• Unconformity

Tags

NGSS.MS-ESS1-4

How does the law of crosscutting explain the age of a fault?

• The fault is younger than the rocks above it.
• The fault is younger than the rocks it cuts through.
• The fault is older than the rocks above it.
• The fault is older than the rocks it cuts through.

Tags

NGSS.4-ESS1-1

A break in the geologic record that is made when rock layers are eroded over a long period of time

• Law of Superposition
• Law of Crosscutting
• Relative Dating
• Unconformity

Relative dating of rock layers tells us that the deeper we dig, _______.

• the younger the rocks get
• the smellier the rocks get
• the harder the rocks get
• the older the rocks get

Tags

NGSS.MS-ESS1-4

How does sedimentary rock usually form?

• Vertically
• Diagonally
• Folding
• Horizontally

Letter "F" is a....

• inclusion
• intrusion
• fault
• unconformity 

Tags

NGSS.MS-ESS1-4

The rock formation labeled "P" is a(n)...

• fault
• intrusion
• inclusion
• unconformity

Tags

NGSS.MS-ESS1-4

Above what layer is there an unconformity?

• H

• M

• R

• F

Tags

NGSS.MS-ESS1-4

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How do geologists use relative dating?

• Placing rocks in order from youngest to oldest
• Placing rocks in order by minerals they contain
• Classifying rocks by different textures
• Classifying rocks by different isotopes

Tags

NGSS.MS-ESS1-4