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Geography
Geography(Rocks)
Question | Answer |
---|---|
Name the three rock groups | Igneous, sedimentary and metamorphic |
How are Igneous rocks formed? | When magma is cooled down and solidified |
How are Sedimentary rocks formed? | The compressed remains of sea creatures,animals and fragments of rocks |
How are metamorphic rocks formed? | When sedimentary and igneous rocks are altered by high temperatures or presures |
Give an example of an igneous rock | Basalt, the Giants Causeway, Co.Antrim |
Give an example of a sedimentary rock | Limestone, the Burren, Co.Clare |
Give an example of a metamorphic rock | Marble, Connemara, Kilkenny |
How is sandstone formed? | When sand has worn away from the earths s crust and transported by wind and rivers |
Give three examples of rock-based energy sources | Coal, oil and gas |
What is quarrying used for? | Extracting rocks such as stone, gravel and sand |