Relative Dating & Index Fossils Test

The red material shown on the bottom and squished between layers of rocks shown in the picture is

• extrusion

• intrusion

• fault

• rock layer

The youngest layer shown here is an

• metamorphic boundary
• sedimentary layer
• igneous intrusion

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

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 is the best reason that fossil #4 is NOT a good index fossil?

• It is not widespread

• it is not short-lived (in numerous layers)

• It is in half of the outcrops

Which of the following is INCORRECT about an index fossil?

• The fossil must have lived only during a short part of the Earth's history.

• Many fossils of the organism must be found in the same rock layer.

• The fossil must be found over a wide area of the Earth and be unique.

• The fossil must be found in many areas.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which layer is oldest?

• A
• W
• G
• Z

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 layer is OLDER? Intrusion M or Layer D?

• Intrusion M

• Layer D

Tags

NGSS.MS-ESS1-4

How does the law of crosscutting explain the age of a fault?

• The fault is younger than the rocks above it.
• The fault is younger than the rocks it cuts through.
• The fault is older than the rocks above it.
• The fault is older than the rocks it cuts through.

Tags

NGSS.MS-ESS1-4