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lesson 4 Jake Scienc
| Term | Definition |
|---|---|
| rock cycle | the ways that rocks change from one form to another |
| Igneous rocks | rocks formed from melted mantle that comes from deep inside the earth. When it cools, the melted material hardens into this. |
| Metamorphic rock | Rock formed when igneous or sedimentary rock is changed by heat or pressure |
| Sedimentary rock | Rock formed when sediments such as sand are pressed or cemented together is know as this. |
| Mineral | A natural, nonliving solid with a definite chemical structure. |