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Minerals and rock
Picture vocab
| Question | Answer |
|---|---|
| Compaction | When rock particles or sediments are pressed together or packed down by gravity and the pressure of overlying rock layers. |
| Igneous rock | Rock formed with lava or magma cools, forms crystals, and solidifies. |
| Metamorphic rock | Rock formed deep underground due to heat and pressure. |
| Mineral | A naturally formed, inorganic solid that has a specific chemical formula and repeating three dimensional structure. |
| Mineral composition | The unique combination of solid elements and compounds that make up a mineral. |
| Rock cycle | The cycle through which Earth's rocks change from one type into another over time due to various Earth processes; creates changes in mineral compositions and physical structures. |
| Sedimentary rock | Rock formed when particles of other rocks are deposited in layers and cemented together. |