Rock & Fossil Correlation/Relative Dating

Used to determine whether an object is older or younger than other objects

• Superposition
• Relative Dating
• Fossil
• Unconformity

Tags

NGSS.MS-ESS1-4

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

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

An ordered arrangement of rock layers that is based on the relative ages of the rocks

• Superposition
• Unconformity
• Layered
• Geologic Column

Tags

NGSS.MS-ESS1-4

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

According to the law of superposition, which layer is the youngest?

• A
• B
• C

Tags

NGSS.MS-ESS1-4

What makes a fossil VALUABLE as an index fossil?

• It only existed for a short time period.

• It existed for a long, long time.

• It is only found in ONE geologic column when comparing rock sections.

• The fossil is difficult to identify, even for paleontologists.

Tags

NGSS.MS-LS4-1

What is the relative age of a rock?

• The age determined by the things around it.

• The age of an igneous rock.

• The age determined by radioactive dating.

• The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.MS-ESS1-4

Which of the following happened most recently?

• A. Deposition of Unit C
• B. Deposition of Unit B
• C. Deposition of Unit F
• D. Tilting of C, D, E, and F

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2