Whatever drives the movement, plate tectonic activity takes place at four types of boundaries: divergent boundaries, where new crust is formed; convergent boundaries, where crust is consumed ...

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 tiny Juan de Fuca plate is ... Most geologic activity stems from the interplay where the plates meet or divide. The movement of the plates creates three types of tectonic boundaries ...