Situated between the mantle and the inner core, the Earth's outer core is a liquid layer of the Earth's core. It is mostly made up of iron and nickel, with little amounts of silicon and oxygen ...

The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the familiar landscape on which we live ...

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...