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Rock cycle
| Question | Answer |
|---|---|
| Igneous | forms when molten rock cools and hardens |
| What is it called when cooling takes place slowly beneath the Earth's surface? | Intrusive |
| What is it called when cooling takes place fast beneath the Earth's surface? | extrusive |
| Sedimentary | Forms from the compaction or cementation of rock peices mineral grains or shell fragments |
| Sediments | formed through the process of weathering and erosion of rocks |
| Sedimentary rocks | Conform from the chemical deposition of materials that were once resolved in water |
| Metamorphic | Forms when rocks are changed into different kinds of rocks |
| what causes metamorphic rocks to change | heat and pressure |
| Non foliated | metamorphic rocks where the grains are arranged randomly |
| Foliated | metamorphic rocks that their grains arranged in either parallel layers or bands |