Layers of the Earth | Science For Kids

U.S. NSF

It may seem like the Earth is made up of one big, solid rock but it’s not. Throughout Earth’s history, it has gone through many changes that have led to the formation of four distinct layers: the crust, the mantle, the outer core and the inner core. The crust is where we live, and where the continents and oceans are. The mantle is where the majority of Earth’s volume is. The outer core is made of flowing liquid metal, that helps create our magnetic field. And the inner core is a solid metal b…