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Rocks for Iphones
| Term | Definition |
|---|---|
| Igneous Rock Forms | when molten rock cools and hardens |
| Metamorphic Rock Forms | when heat and pressure alter existing rock |
| Sedimentary Rock is | made of sediment that has been deposited, compacted, and cemented |
| Rocks | Mixture of two or more minerals |
| Magma | Molten rock found beneath Earth |
| Weathering | Breakdown of materials in the Earth's crust |
| Erosion | Process of transporting sediment by rain, wind, or ice |
| Igneous Rock Examples | Granite, obsidian, pumice |
| Metamorphic Rock Examples | Gneiss, slate, marble |
| Sedimentary Rock Examples | Limestone, sandstone, conglomerate |
| Lava | Magma that reaches Earth's surface |
| Size of Crystals Determined | By how quickly the rock cooled |
| Coal is used for | Electricity |
| Crushed rock is | Used for Roads |
| Rock Cycle | one type of rock is changed to a new type of rock |
| Extrusive Igneous Rock | Result of lava cooling quickly |