Geography : Restless Earth

What makes up the Earth ? :

- The inner core :

• Made of mainly iron and nickel 
• The inner core is hotter than the outer core , but the metals are solid .

- The outer core :

• The outer core is liquid 
• The outer core is where the magnetic field comes from - this is what makes compasses work 

- The Mantle :

• This is the thickest layer of the Earth
• This is made of solid rock that can flow - plastic rock.
• It moves in circles caused by convection currents.
• This is where the hot rock rises and the…