Earth's Internal Structure Temperature VS Depth Age of Earth Magnetic Field Earth's Magnetism Dynamo Effect Earth's Dynamo Earth's Magnetosphere Continental Drift Continental Drift - Drawing Plate Formation/Destruction Ridges/Subduction Zones Ridges/Subduction Zones-Pg. 2 Ridges/Subduction Zones-Pg. 4 Sea Floor Spreading Earth's Major Plates (Ridges/Subduction Zones Pg. 3 - not used)