| A | B |
| igneous rock | Rocks produced by the cooling and solidifying of magma. |
| sedimentary rock | Rock formed from layered sediments that pile and squeeze together, providing clues to earth's past. |
| metamorphic rock | Rock that has undergone a change in structure, appearence, and compositionof rock. |
| rock cycle | Series of processes involving heat, pressure, melting, cooling, and sedimentation. |
| instrusive rock | Igneous rock formed when magma cools and solidifies beneath the earth's surface. |
| extrusive rock | Igneous rock formed from lava that solidifies near or on the earth's surface |
| organic rock | Sedimentary rock like limestone or coal that is formed from the remains of living things. |
| metamorphisim | Changes in the stucture, appearence, and compoosition of rock that occur beneath the earth's surface. |
| foliated rock | Striped looking metamorphic rock with grains arranged in parrellel bands. |
| clastic rock | Rock that is formed when particles of country rock and mineral grains compact together. |