Layers of the Earth Review

According to the diagram, which layer is made of liquid, molten material?

• A

• B

• C

• D

Name the layers of the Earth from the center of the Earth to the surface.

• mantle, crust, inner core, outer core

• outer core, inner core, mantle, crust

• inner core, outer core, mantle, crust

• crust, mantle, outer core, inner core

Describe the density of Earth's Layers as you go from the crust to the core.

• The density is the same throughout all the layers.

• The density decreases as you move inward.

• The density increases as you move inward.

• The density isn't a factor for the layers.

Primary (P) Waves and Secondary (S) Waves differ in the directions they move. Which correctly describes their movement?

• P Waves are longitudinal/ compressional and S Waves are transverse

• P Waves are transverse and S Waves are longitudinal/ compressional

Tags

NGSS.MS-PS4-1

How many layers does Earth have?

• 1

• 2

• 3

• 4

Which layer is the only liquid layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which is the correct order of the Earth's layers?

• Crust, Outer Core, Mantle, Inner Core

• Crust, Mantle, Outer Core, Inner Core

• Inner core, Outer core, Mantle, Crust

Answer explanation

The outer most layer is the crust!

Tags

NGSS.MS-ESS2-1

This layer of the earth:

Is a solid ball of metal, is composed mostly of iron and spins faster than the Earth and is as hot as the sun.

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is shown in red?

• crust

• mantle

• outer core

• inner core

Which layer is made of "flowing" solid rock (think clay or pudding)?

• crust

• mantle

• outer core

• inner core