The first step toward learning about plate tectonics is to learn about the Earth's interior structure. This lesson should address both of these topics. This activity is designed for one 1-hour ...

The Earth is made up of different layers: Therefore ... The movement of the plates and the activity inside the Earth, is called the theory of plate tectonics.

Earth’s core is located below the middle layer called the mantle and the outer layer –or crust. It consists of two main parts ...

Earth's interior is made up of a series of layers that sit below the surface crust. In order of depth, these layers include the solid, but flowing mantle, the liquid outer core and the solid iron ...