Before you begin, read slides 34-41 in 'The Ground Beneath Our Feet Notebook'.
What is the difference between the inner core and the outer core?
What layers contain convection currents?
What is the thickest layer of the Earth?
What percentage (%) of the Earth's mass comes from The Mantle?
What two layers make up the lithosphere?
How many layers does the Earth have?
What causes the Earth's plates to move?
Explain how convection currents cause the Earth's plates to move.