Basic Terminology - Mid C2 0.0 / 5 ? ScienceThe EarthAlloysMaterials used in carsGCSEOCR Created by: callmebubbles14Created on: 22-09-13 20:29 What is subduction? When an oceanic crust is forced underneath a continental crust. 1 of 6 What is a sedimentory rock? Soft sediments compressed and cemented together 2 of 6 What is a metamorphic rock? Formed when a sedimentary rock is heated and put under pressure 3 of 6 What is an igneous rock? When magma cools and solidifies - it is strong because it contains interlocking crystals 4 of 6 What is thermal decomposition? When a substance is heated, broken down and resulting in at least two new substances 5 of 6 What is a subduction zone? When a deep depression is caused when one oceanic crust slides under another 6 of 6
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