| A | B |
|---|
| luster | the way a mineral's surface picks up light |
| deposition | the process in which sediment settles out of water or is dropped by wind |
| metamorphic rocks | rocks formed when high heat and great pressure change existing rocks into a new form |
| erosion | the process of moving sediment by wind, moving water, or ice |
| mineral | a naturally occurring, nonliving solid that has a specific chemical makeup and a repeating structure |
| hardness | a minerals's ability to resist being scratched |
| rock | a natural substance made of one or more minerals |
| igneous rocks | rocks that form when melted rock cools and hardens |
| rock cycle | the continuous proces in which one type of rock changes into another type |
| sedimentary rocks | rocks formed when sediments are cemented together |
| minerals | building blocks of all rocks |
