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.

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 ...

Researchers explore the likelihood that Earth's climate, as affected by solar heat, plays a role in seismic activity ... and water mostly affect the upper layers of the Earth's crust," said ...

The movement of the plates, and the activity inside the Earth, is described as the theory of plate tectonics.