| A | B |
|---|
| Metamorphism | The changing of rock by great heat and pressure |
| Clastic rocks | Rocks made of sediments that have been weathered and eroded from other rocks |
| Chemical rock | Rocks that are formed from minerals dissolved in sea water |
| deposition | the dropping of sediment by wind, water, or ice |
| magma | Melted rock in the upper mantle |
| erosion | the movement of sediments to a new location |
| Igneous rock | Rock that forms when magma cools in or on Earth’s crust |
| Weathering | The breaking up of rock into small pieces |
| Mineral | A natural solid material with a definite chemical and physical structure |
| Cementation | The gluing together of sediments |
| Rock cycle | A cycle in which rocks change from one form into another |
| Sedimentation | The building up of layer of sediment |
| Lava | Magma that reaches the surface |
