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Dynamic earth - Coggle Diagram
Dynamic earth
layers of the earth
crust
outer layer of the earth. 5-70km thick
mantle
magma. up to 4,000 degrees C
outer core
liquid nickel and iron. molten
inner core
centre of the earth-up 6,000 degrees C
continental drift
Alfred Wegner
Pangea
Plates separated
Convection Currents
Convection Currents
earths core heats magma above making it rise
begins to cool
cycle continues
makes plates move slowly