That's correct! The Earth's lithosphere is indeed broken into huge moving slabs of rock called tectonic plates. These plates are driven by convection currents in the mantle, a layer of hot, semi-solid rock beneath the lithosphere.

Here's a breakdown:

* Lithosphere: The rigid outermost layer of Earth, comprising the crust and the uppermost part of the mantle.

* Tectonic Plates: Large, irregularly shaped slabs of lithosphere that move slowly across the Earth's surface.

* Mantle Convection: Heat from the Earth's core causes the mantle to circulate in a process called convection. Hotter, less dense material rises, while cooler, denser material sinks. This movement drags the tectonic plates along with it.

Key Processes Related to Plate Movement:

* Seafloor Spreading: At mid-ocean ridges, molten rock rises from the mantle, cools, and solidifies, creating new oceanic crust. This pushes the plates apart.

* Subduction: Where two plates collide, one plate (typically the denser oceanic plate) bends and slides under the other. This process recycles crust back into the mantle.

* Continental Drift: The slow movement of continents over geological time.

The movement of tectonic plates is responsible for many of the Earth's most dramatic geological features, including:

* Mountains: Formed when continents collide.

* Volcanoes: Occur at plate boundaries where magma rises from the mantle.

* Earthquakes: Caused by the sudden release of energy along plate boundaries.

Let me know if you want to know more about a specific aspect of plate tectonics!