Here's a breakdown of why:
* Geology: The scientific study of the Earth, its composition, structure, processes, and history.
* Materials: Geology encompasses the study of rocks, minerals, soils, and other materials that make up the Earth's crust and interior.
* Processes: Geology investigates the processes that shape and transform these materials, including:
* Weathering: The breakdown of rocks by physical and chemical processes.
* Erosion: The transport of weathered material by wind, water, or ice.
* Sedimentation: The deposition of eroded material.
* Deformation: The bending, folding, and faulting of rocks under stress.
* Volcanism: The eruption of molten rock (magma) from the Earth's interior.
* Metamorphism: The transformation of existing rocks under heat and pressure.
* Plate tectonics: The movement of the Earth's lithospheric plates, which drives many geological processes.
While material science focuses specifically on the properties and applications of materials, geology provides a broader understanding of the origin, formation, and evolution of the materials that constitute our planet.