Rock Cycle 0.0 / 5 ? GeologyRock CycleGCSEAll boards Created by: TheseusCreated on: 11-06-19 12:36 What are the 3 types of rocks? igneous rocks; metamorphic rocks and sedimentary rocks. 1 of 7 how are igneous rocks formed? formed when magma cools and makes crystals. 2 of 7 how are sedimentary rocks formed? formed by sediments compacted and cemented together. 3 of 7 how are metamorphic rocks formed? formed when heat and pressure is applied to sedimentary rocks or igneous rocks. 4 of 7 how is magma formed? by the melting of igneous or metamorphic rocks. 5 of 7 how are sediments formed? weathering and erosion from the 3 types of rocks. 6 of 7 what is magma called when it comes out of volcanoes? lava 7 of 7
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