Structure of the Earth 0.0 / 5 ? GeographyPlate tectonicsA2/A-levelAQA Created by: Driscoll18Created on: 20-03-16 12:18 solid ball containing Iron and Nickel Innercore 1 of 11 How the techtonic plates move convectioncurrents 2 of 11 Rigid top part of the mantle Lithosphere 3 of 11 Thicker less dense part of the crust (30-70km) Continental 4 of 11 Below the lithosphere in the mantle (semi-molten) Asthenosphere 5 of 11 seismic waves travel through the earth but not the liquid parts and this creates a... shadowzone 6 of 11 Rigid high pressure part of the mantle Mesosphere 7 of 11 Creates the earths magnetic field outercore 8 of 11 The main material of the continental crust sial 9 of 11 The main material of oceanic crust sima 10 of 11 Boundary between crust and the mantle mohodiscontinuity 11 of 11
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