* Composed of minerals: All rocks are made up of one or more minerals.
* Part of the rock cycle: They are all interconnected through the continuous processes of the rock cycle. Igneous rocks can transform into metamorphic rocks, metamorphic rocks can transform into sedimentary rocks, and sedimentary rocks can melt and become igneous again.
* Found on Earth's surface: They are all naturally occurring materials found on the Earth's surface.
* Subject to weathering and erosion: Over time, all rock types will undergo weathering and erosion, breaking down into smaller pieces.
While they share these similarities, the three rock types have distinct origins and characteristics.