Earth's Inner Layers

Earth's Inner Layers

Earth is composed of several layers, each with distinct properties. Scientists classify Earth's structure based on composition and mechanical properties. The three main layers based on composition are:

• Crust – The thin, solid outermost layer where we live. It includes the continental crust a...

If we could slice the Earth open, we’d see three main layers: the core, mantle, and crust.

The innermost layer - the core is further divided into the inner and outer core. The inner core is an extremely hot solid ball mostly made of iron and nickel.

The outer core surrounds the inner core. It is a layer of molten metal th...