| A | B |
| Metamophic rocks can be formed by | all rock groups |
| What helps make metamorphic and sedimentary rock? | pressure |
| Millions of years ago organic limestone was probably | coral reef |
| Rock formed when granite changes to a metamorphic rock | gneiss |
| In a mineral, particles that line up in a repeating pattern form | crystal |
| Minerals that metals can be removed from in usable amounts are called | ore |
| This process changes igneous rock into metamorphic rock | heat and pressure |
| This process changes sedimentary rock into igneous rock | melting |
| This process changes metamophic rock into sedimentary rock | weathering and erosion |