| A | B |
|---|
| rock | a solid mixture of crystals from 1 or more minerals |
| rock cycle | the process by which one rock type turns into another |
| sedimentary rock | rocks that form when grains of sand and sediment compact together on the surface of the earth |
| igneous rock | rocks that form from cooled magma or lava |
| metamorphic rock | rocks that form from heat or pressure |
| sediment | grains of sand, clay and small particles |
| magma | melted rock underground |
| intrusive | igneous rock formed below ground |
| extrusive | igneous rock formed above ground |
| plutons | intrusive igneous rock that is balloon shaped |
| pegmatites | intrusive igneous rock that is tear drop shaped |
| compaction | the reduction of air spaces between sediment particles |
| strata | layers in sedimentary rock |
| cementation | gluing together of compacted sediments |
| stratification | the process of layering sedimentary rock |
