Layers of the Earth

1st Compositional layer made of Oxygen, Silicon, & Aluminium with traces of Magnesium and Iron.

• Crust

• Mantle

• Core

• Outer Core

1st Physical layer of solid, cold, low density, rock that is broken into 15 plates.

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer Core

2nd Compositional layer made of Iron and Magnesium with traces of Silicon, Oxygen, and Aluminium

• Crust

• Mantle

• Core

• Outer Core

2nd Physical layer made of semi-solid, medium density rock that flows slowly like hot asphalt.

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer Core

3rd Physical layer made of really solid high density rock that does not flow.

• Lithosphere

• Asthenosphere

• Mesosphere

• Outer Core

3rd Compositional layer made of Iron and Nickel.

• Crust

• Mantle

• Core

• Outer Core

4th Physical layer made of molten Iron and Nickel.

• Lithosphere

• Asthenosphere

• Outer Core

• Inner Core

5th Physical layer made of solid, very dense, crystalline Iron and Nickel.

• Lithosphere

• Asthenosphere

• Outer Core

• Inner Core