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Rocks & Minerals
| Term | Definition |
|---|---|
| Mineral | A naturally occurring solid with a characteristic crystal shape |
| Rock | A naturally formed combination of minerals. |
| Lava | Molten (melted) rock above ground. |
| Igneous Rock | Rock formed from magma or lava. |
| Sedimentary Rock | Rock formed from compressed sediment. |
| Metamorphic Rock | Rock formed from existing rock by heat and pressure |
| Magma | Molten (melted)rock within Earth. |
| Strata | Layers of sedimentary rock. |
| Rock Cycle | The continuous process of change in which new rocks are formed from old rock. |
| Earth Layers | Crust, Mantle and Core |