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

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

What are the relative ages of the features in order from oldest to youngest?

• Limestone, Basalt, Fault, Siltstone
• Siltstone, Fault, Basalt, Limestone
• Limestone, Fault, Basalt, Siltstone
• Limestone, Siltstone, Fault, Basalt

Tags

NGSS.MS-ESS1-4

Which of the following is the oldest?

• Layer L
• Intrusion D
• Intrusion H
• Layer E

Tags

NGSS.MS-ESS1-4

Analyze the seashell found in the white layer.  Which statement is true of the rock layer that contains this fossil?

• It could also contain a fossil from the bottom layer.
• It is older than the layers below it.
• It is younger than the layers above it.
• It is older than the layers above it.

Tags

NGSS.MS-ESS1-4

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

How have the rocks been disturbed?

• tilting
• folding
• faulting
• igneous intrusion

Tags

NGSS.MS-ESS2-2

Which letter indicates an igneous intrusion?

• A
• C
• D
• E

Relative dating determines the...

• precise age of fossils
• age of fossils compared to others
• climate fossils survived in
• movement of continents

Tags

NGSS.MS-LS4-1

An organism that no longer exists on Earth is called

• Decayed
• Evolved
• Extinct
• Preserved

Tags

NGSS.MS-LS4-1