Layers of the Rock Cycle Radiometric

Which fossil is the best index fossil?

• It is found in all four layers in one outcrop.

• It is found in only one of the four outcrops.

• It is found in one layer in all four outcrops

• It is found in both the oldest and youngest layers.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The image shows the unturned layers of sedimentary rocks with embedded fossils.

A student labels the fossils from 1 to 4. What could be true about the fossils?

• Fossil 1 is younger than fossil 2.

• Fossil 1 is older than fossil 4.

• Fossil 3 is older than fossil 2.

• 
  Fossil 3 is younger than fossil 4.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

A researcher examines fossils found in some rock layers. The various fossils discovered were arranged in undisturbed layers as shown in the diagram.

Which fossil is the youngest ?

• Fossil 1

• Fossil 2

• Fossil 3

• Fossil 4

Tags

NGSS.MS-ESS1-4

The diagram shows a geologic cross-section from a region.

What are the relative ages of the rocks from oldest to youngest ?

• W, V, X, Z, and Y

• 
  W, Y, V, X, and Z

• W, V, X, Y, and Z

• W, V, Y, X, and Z

Tags

NGSS.MS-ESS1-4

The diagram is a geologic cross section in an area where a river has exposed a cliff of sedimentary rock layers. The rock layers are labeled A-I. Line XY represents a gap in geologic record.

Use the diagram below to answer the question

Which layer is the oldest?

• Layer A

• Layer F

• Layer G

• Layer I

Tags

NGSS.MS-ESS1-4

The diagram is a geologic cross section showing sedimentary rock layers with an igneous intrusion.

• Layer W

• layer X

• Layer Y

• Layer Z

Tags

NGSS.MS-ESS1-4

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 rocks

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 layer of the rock cycle is primarily responsible for the formation of sedimentary rocks?

• Igneous layer

• Metamorphic layer

• Sedimentary layer

• Mantle layer

Tags

NGSS.MS-ESS2-4

Radiometric dating is used to determine the age of rocks. Which element is commonly used in this process?

• Carbon

• Uranium

• Oxygen

• Hydrogen

Tags

NGSS.HS-ESS1-6

NGSS.HS-PS1-8