layers

inner core

rigid solid

lithophere

rigid solid

lower mantle

strong plastic solid

Materials in the mantle

Iron, Magnesium, Silicon, Oxygen

Core: Rock or Metal

Metal

Crust: Rock or Metal

Rock

Mantle: Rock or Metal

Rock

Materials in the crust

Silicon, Oxygen, Aluminum, Calcium, Sodium

Materials in the core

iron and nickel (Fe and Ni)

outer core

liquid

asthenosphere

weak plastic solid