Layers of Rocks

Which of the following is true regarding the composition of the lithosphere?

• The lithosphere is mostly liquid, with some medium-density materials, such as silicon.

• The lithosphere is more plastic and flows slowly compared to the solid crust of Earth.

• The lithosphere includes the core and the lower portion of the mantle.

• The lithosphere includes the crust and the uppermost portion of the mantle, which is sold and rigid.

In which type of rock might you see a fossil?

• Marble

• Igneous rock

• Metamorphic rock

• Sedimentary rock

Tags

NGSS.MS-LS4-1

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary

• Igneous

• Metamorphic

Tags

NGSS.MS-ESS1-4

If you wanted to collect sedimentary rocks, what sort of characteristics would you look for in a rock's composition?

• Rock made from eroded material broken off other rocks and cemented together.

• Rock that formed from magma or lava during a volcanic eruption.

• Rock that includes sparkly crystals and other types of gemstones

• Rock that has been transformed into new substances due to intense heat and pressure.

Which layer of the Earth is the thinnest?

Which rock layer contains the newest fossils?

• F

• E

• B

• C

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

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 rock layer in the diagram seems to be the oldest?

• F

• E

• B

• A

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

What is the oldest layer in the outcrop?

• B

• C

• D

• E

Tags

NGSS.MS-ESS1-4