Interior of the Earth
Iron (Fe) Nickel Both the inner and outer core are thought to contain primarily Iron and Nickel However, the outer core has less pressure and so allows these elements to flow – like a liquid
Calcium Aluminum Iron Mg Ti (Fe) Mesosphere elements Potassium (K)
Magnesium Iron ( Fe) Sulfur Asthenosphere Elements
Elements of the Lithosphere Potassium (K)Aluminum Magnesium
Plate Tectonics & Convection Currents Convection Currents & Earth’s Interior Convection Currents IRE1&adlt=strict#view=detail&mid=95BE3A4A8BFF1B68843B95BE3A4A8BFF1B688 43B Demo Hydrothermal Vents video