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GCSE Geography · key term
Rock formed when molten rock cools and solidifies.
Used by Edexcel
Specification 1.1, 1.14 · Paper 1
Revise: Geological Variations in the UKIgneous rocks form when molten rock cools and hardens. Crystals develop as it cools. Granite and basalt are the named examples to recognise; both are hard and resistant to erosion.
Rock formed when molten rock cools and solidifies, either beneath the Earth's surface or after eruption.
Metamorphic rocks form through heat and pressure without melting. Rock that melts and then cools forms igneous rock.
Metamorphic rocks change through heat and pressure without melting; igneous rocks form when molten rock cools and solidifies.
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Paper 2
Revise: Characteristics and Distribution of UK Rock TypesIgneous rocks form when magma cools and solidifies. Crystals develop as the molten material cools. Granite is an igneous rock: it is hard, crystalline and resistant to erosion.