Geologic Cross Section

The diagram shows a cross-section of rock strata. Which of these likely created the patterns seen in the oldest layers of this figure?

• erosion

• fault activity

• asteroid impact

• folding

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Examine the rock strata data shown. Which layer shows evidence of a rapidly changing environment?

• Layer M

• Layer N

• Layer O

• Layer P

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

The diagram shows several layers of rock. Which rock layer is older than layer H? Choose the correct answer.

• Layer F

• Layer G

• Layer J

• Layer K

Tags

NGSS.MS-ESS1-4

Scientists often use cross-sections of rock to determine the sequence of events in Earth’s history. The cross-section shown represents 30 million years. Drag the layer of rock into the box that matches with its age in the timeline. Which is 16 million years old?

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-4

Scientists often use cross-sections of rock to determine the sequence of events in Earth’s history. The cross-section shown represents 30 million years. Drag the layer of rock into the box that matches with its age in the timeline. Which is 1 million years old

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-4

Scientists often use cross-sections of rock to determine the sequence of events in Earth’s history. The cross-section shown represents 30 million years. Drag the layer of rock into the box that matches with its age in the timeline. Which is 10 million years old?

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-4

Scientists often use cross-sections of rock to determine the sequence of events in Earth’s history. The cross-section shown represents 30 million years. Drag the layer of rock into the box that matches with its age in the timeline.

• W

• X

• Y

• Z

Tags

NGSS.MS-ESS1-4

The principle of relative dating states that layers of Earth were deposited in order with the oldest layers below the younger layers. Choose the answer in the correct order.

• Cretaceous period (65 million years ago),Tertiary period (1.5 million years ago),Cambrian period (500 million years ago),Mississippian period (320 million years ago),Jurassic period (140 million years ago)

• Cambrian period (500 million years ago),Mississippian period (320 million years ago),Jurassic period (140 million years ago),Cretaceous period (65 million years ago),Tertiary period (1.5 million years ago)

• Tertiary period (1.5 million years ago),Jurassic period (140 million years ago),Cambrian period (500 million years ago),Cretaceous period (65 million years ago),Mississippian period (320 million years ago)

• Mississippian period (320 million years ago),Cambrian period (500 million years ago),Jurassic period (140 million years ago),Cretaceous period (65 million years ago),Tertiary period (1.5 million years ago)

Tags

NGSS.MS-ESS1-4

A geologist is studying a small island. He wants to know the order of historic geologic events. Which question will lead the scientist to the evidence for this study?

• Are different types of rocks found on nearby islands?

• Which types of plants and animals are most common on the island?

• How are the layers of rock on the island different from each other?

• What is the temperature of the water around the island in different seasons?

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

The diagram shows a geologic cross-section of rock strata. A fault recently appeared in the rock strata. Where is there evidence of a fault in older layers of the rock?

• A and B

• C and G

• A and E

• D and F

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2