| A | B |
|---|
| rock | two or more minerals mixed together |
| rock cycle | model to show how rocks change from one type/form to another |
| igneous | rocks formed when hot magma cools and hardens |
| extrusive | igneous rock formed on the surface of Earth |
| intrusive | igneous rocks formed below the surface of Earth |
| metamorphic | rocks formed by changes in heat and pressure |
| sediment | loose material such as rock fragments, mineral grains, and bits of shell |
| sedimentary | rocks formed when sediments are compacted and cemented together |
| cementation | process of gluing sediments together |
| weathering | process of breaking apart rocks from wind and water |
| erosion | process of moving sediments to new locations |
| compcation | process of using pressure to squeeze sediments together |
