* Yes, the Earth's crust is made up of tectonic plates.

* Tectonic plates are large, rigid pieces of the Earth's outermost layer (the lithosphere). This includes both the crust and the uppermost part of the mantle.

* There are two types of crust:

* Oceanic crust is thinner and denser, made mostly of basalt.

* Continental crust is thicker and less dense, made mostly of granite.

* These plates move slowly over time, driven by forces within the Earth's mantle. This movement is what causes earthquakes, volcanic eruptions, and the formation of mountains and ocean trenches.

So, the crust is actually *part* of the tectonic plates, which are much larger and include a portion of the mantle as well.