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Geog:Rocks
chapter(2)
| Question | Answer |
|---|---|
| Igneous rock | formed when hot,molten volcanic material cooled down and became solid. Ex.Granite and basalt |
| Sedimentary rock | formed from the compressed remains(sediments)of animals,plants and other rocks. Ex.limestone,sandstone,coal and shale. |
| Metamorphic rock | they were once Igneous or Sedimentary rocks which were changed by great heat or pressure. Ex.marble,quartzite. |
| Granite | igneous |
| Basalt | igneous |
| Limestone | sedimentary |
| Coal | sedimentary |
| Shale | sedimentary |
| Sandstone | sedimentary |
| Marble | sedimentary-metamorphic |
| Quartzite | sedimentary-metamorphic |