Layers
Inner core
Outer core
Mantle
Crust
400

How do rocks from the inner core come to the surface

Volcano 

400

What state is the inner core, solid liquid and gas

solid

400

How hot can the outer core get

6000 degrees 

400

How thick is the mantle

1800

400

What is the crust made out of

rocks and loose material

500

How do we see what the core of the earth look like

seismic waves

500

What is the inner core made up of

iron and nickel

500

How thick is the outer core

1400 miles

500

How hot can the mantle get............

7900

500

How deep does the crust go at its deepest point.

25 miles