Law of Superposition

The Law of Superposition helps scientists to determine what?

• The absolute age of rock layers

• The age of fossils

• The relative age of rock layers

• the super powers of squirrels

Tags

NGSS.MS-ESS1-4

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

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

Which of the following correctly lists the layers in order from oldest to youngest?

• A, B, C, D, E

• E, B, C, D, A

• E, D, C, B, A

• C, B, A, D, E

Tags

NGSS.MS-ESS1-4

Which rock layer most likely contains fossils of the most recently evolved organisms?

• 4
• 3
• 1
• 2

Tags

NGSS.MS-ESS1-4

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 answer choices happened most recently?

• Deposition of Units E and F

• Deposition of Units A and B

• Tilting of Units C, D, E, and F

• Deposition of Units C and D

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The number of years that have passed since the rock formed is the rock's ____ age, or its actual age.

• relative

• law of superposition

• absolute

• index fossil

Tags

NGSS.MS-ESS1-4

A break or a gap in the geologic record when rock layers are eroded over a long period of time, "losing" those rocks

• fault

• fold

• unconformity

• cross-cutting