Layers of the Earth

How many layers does Earth have?

• 1

• 2

• 3

• 4

What is the thinnest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the thickest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the coolest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the hottest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Tags

NGSS.MS-PS1-4

What is the densest layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is the only liquid layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer(s) have convection currents? Select all that apply.

• Crust

• Mantle

• Outer Core

• Inner Core

Tags

NGSS.MS-ESS2-1

Which layer is made of solid Iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is made of liquid iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core