Relative Dating of Rocks

What two methods are used for determining the age of rocks and fossils?

• Relative and Absent Dating

• Absolute and Resolute Dating

• Relative and Absolute Dating

• Carbon and Water Dating

Tags

NGSS.HS-ESS1-5

The diagram shows some of the layers of rocks found in the Grand Canyon. Scientists find these layers of rock useful for studying fossils
What type of rock is shown labeled in these layers?

• extrusive

• igneous

• metamorphic

• sedimentary

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

According to the Law of Superposition, the oldest rock layers are found...

• at the top of the rock layers

• in the middle of the rock layers

• near an intrusion

• always at the bottom of the rock layers

Tags

NGSS.MS-ESS1-4

When you determine the relative age of rock layers, you will use relative dating which is...

• any method of determining whether something is older or younger than something else.

• when magma cools or solidifies under the surface

• when lava cools on the surface

Tags

NGSS.MS-ESS1-4

According to the Law of Superposition which letter represents the oldest layer?

• E

• D

• C

• B

• A

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?

• The white layer could also contain a fossil from the top layer and the bottom layer

• The white layer is younger than the layers above it.

• The white layer is older than the layers above it.

• The white layer is older than the layers below it.

Tags

NGSS.MS-ESS1-4

Is the rock layer with the trilobite fossils older or younger than the rock layers with the dinosaurs fossils?

• older

• younger

• the same age

Tags

NGSS.MS-ESS1-4

Which letter represents an intrusion?

• A

• B

• E

• D

Is the intrusion (letter F) older or younger than the surrounding layers?

• older

• younger

Tags

NGSS.MS-ESS1-4

What is the order of the rock layers from youngest to oldest?

• A, E, B, C, D

• A, D, C B, E

• E, B, C D, A

• E, B, C A, D

Tags

NGSS.MS-ESS1-4