inside the watermelon

This term team four  is learning about watermelon but we are showing the part of the earth what they call inside the watermelon.First the white side is the upper mantle and the another in the outside around it the crust and the inside part is the core and it the red part in the earth and the orange thing called the magma.The magma is the hot rock and it the hard part and the yellow part is the inner core and the outer core and it is 900 kilogram.