Crust : The Earth;s outermost layer.
Inner Core : The metallic layer at the Earth's center.
Lower Mantle: The hottest part of the mantle.
Asthenosphere: The semi solid layer between the top layer and the upper mantle.
Upper Mantle: The layer between the asthenosphere and lower mantle.
Top Layer: The firm layer between the crust and the asthenosphere.
Outer Core: The layer surrounding the inner core.
