Metamorphism — Science definition
The process by which heat and/or pressure change an existing rock into metamorphic rock without melting it.
Where it is taught
- The Rock Cycle — Rocks, Landscapes & Water, Earth & Space Science, Grade 9
In use
Push a rock deep enough to bake under intense heat and pressure without quite melting, and metamorphism reshapes it into metamorphic rock.
The Rock Cycle