The first step toward learning about plate tectonics is to learn about the Earth's interior structure. This lesson should ... to on the Earth. 4. Ask students what layer of the Earth is shown ...

4. Remind students of what they learned in Lesson 3 ... picture of a mountainside with layers in it). This piece of cardboard represents a cross-section of the Earth (analogous to cutting a ...

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 ...