Relative Age of Rock

Which fossils are older than fossil X?

• A and E

• B and D

• B and C

• C and E

Tags

NGSS.MS-ESS1-4

Which sequence orders the fossils from oldest to youngest?

• R, S, T, U

• U, R, S, T

• U, T, S, R

• R, U, T, S

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

A geologist is studying a geologic cross section of rock layer in a national park. The rock layers appear to be well preserved and undisturbed.

Which statement BEST identifies the oldest rock layer in the cross section?

• The oldest rock layer is the top layer of the cross section.

• The oldest rock layer is above the bottom layer of the cross section.

• The oldest rock is the bottom layer of the cross section.

• The oldest rock layer is above the middle layer of the cross section.

Tags

NGSS.MS-ESS1-4

Which layer of rock is the youngest?

• w

• x

• y

• z

Tags

NGSS.MS-ESS1-4

What is the relative age of igneous intrusion W?

• Igneous intrusion W is younger than sedimentary rock layers Z and X.

• Igneous intrusion W is younger than sedimentary rock layers Z and Y but older than layer X.

• Igneous intrusion W is older than sedimentary rock layers Z and X.

• Igneous intrusion W is older than sedimentary rock layers Y and X but younger than Z.

Tags

NGSS.MS-ESS1-4

Which geologic event happened MOST recently?

• Folding of rock layers W, Y, and X.

• Intrusion of igneous rock Z.

• Faulting of rock layers V, W, Y, and X.

• Intrusion of rock layer Y.

Tags

NGSS.MS-ESS1-4

What are the relative ages of 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

What is the relative age of the fault?

• The fault is older than layer B.

• The fault is older than layer C.

• The fault is older than layer E.

• The fault is older than layer F.

Tags

NGSS.MS-ESS1-4

What is the relative age of the igneous rock?

• The igneous intrusion is younger than layer A.

• The igneous intrusion is the same age as layer C.

• The igneous intrusion is younger than layer E.

• The igneous intrusion is the same age as layer F.

Tags

NGSS.MS-ESS1-4

Which area of the cross section contains the youngest rock?

• Area 1

• Area 2

• Area 3

• Area 4

Tags

NGSS.MS-ESS1-4