Layers of the Earth

Which layer is made (mostly) of LIQUID iron and nickel?

• crust

• mantle

• outer core

• inner core

Which layer is made (mostly) of SOLID iron and nickel?

• crust

• mantle

• outer core

• inner core

Which layer of the Earth is the THINNEST?

• crust

• mantle

• outer core

• inner core

Which layer of the Earth is the THICKEST?

• crust

• mantle

• outer core

• inner core

Which layer is the hottest?

• crust

• mantle

• outer core

• inner core

Which layer is the coolest?

• crust

• mantle

• outer core

• inner core

What two layers make up the core?

• Lithosphere and

  Asthenosphere

• Inner and Outer core

• Lithosphere and Outer Core

• Inner core and Mantle

What is the outer most layer of the earth?

• Core

• Mantle

• Crust

• Asthenosphere

Which of Earth's layers is best described as liquid metal?

• crust

• mantle

• outer core

• inner core

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.