| A | B |
| Metamorphic Rock | heat and pressure |
| Igneous Rock | melting and cooling |
| Sedimentary Rock | weathering and erosion |
| lava | magma that reaches the earth's surface |
| extrusive rock | lava on the surface solidifies |
| intrusive rock | magma solidifies beneath the surface |
| clastic rock | particles of counry rock compact and cement together |
| organic rock | formed form living things or their remains |
| chemical rock | formed by precipitation |
| metamorphism | changes in structure, appearance and composition of rock under the surface |
| foliated | banded |
| non-foliated | non-banded |
| granite | intrusive igneous rock |
| obsidian | extrusive igneous rock |
| sandstone | clastic sedimentary rock |
| shale | clastic sedimentary rock |
| coal | organic sedimentary rock |
| limestone | organic sedimentary rock |
| salt | chemical sedimentary rock |
| gypsum | chemical sedimentary rock |
| marble | non foliated metamorphic rock |
| limestone | parent rock of marble |
| sandstone | parent rock of quartzite |
| shale | parent rock of slate |