1. Interior of the Earth

2. 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

3. Calcium Aluminum Iron Mg Ti (Fe) Mesosphere elements Potassium (K)

4. Magnesium Iron ( Fe) Sulfur Asthenosphere Elements

5. Elements of the Lithosphere Potassium (K)Aluminum Magnesium

6. Plate Tectonics & Convection Currents https://www.youtube.com/watch?v=Kpoko_l34ZE Convection Currents & Earth’s Interior https://www.youtube.com/watch?v=ryrXAGY1dmE Convection Currents http://www.bing.com/videos/search?q=convection+currents+videos&FORM=V IRE1&adlt=strict#view=detail&mid=95BE3A4A8BFF1B68843B95BE3A4A8BFF1B688 43B Demo http://www.youtube.com/watch?v=7xWWowXtuvA Hydrothermal Vents video http://www.bbc.co.uk/nature/habitats/Hydrothermal_vent#p004htvq