*Definition: Plate tectonics is the theory that the surface of the Earth divided into large plates.
*Plate tectonics are pieces of the lithosphere or crust.
*These solid pieces float on top of the hot liquid layer below them. Also, they always shift around.
*Plate tectonics are pieces of the lithosphere or crust.
*These solid pieces float on top of the hot liquid layer below them. Also, they always shift around.
*The flow of magma beneath the Earth's crust shifting the tectonic plates around causes them to move.