Warm-Up: GeologyVersión en línea Test your knowledge by correctly ordering the layers of the Earth from the outermost to the innermost layer. por Noel Sayco 1 Order the layers of the Earth from the surface down to the core. Outer Core Mantle Inner Core Crust 2 Order the soil horizons from the topmost layer to the bottommost layer. A Horizon (Topsoil) E Horizon (Eluviation layer) B Horizon (Subsoil) R Horizon (Bedrock) O Horizon (Organic layer) C Horizon (Parent material) 3 Order the elements based on the natural sequence of processes in the rock cycle. (Start with MAGMA) Weathering and erosion Metamorphic rock formation Igneous rock formation Melting Sedimentary rock formation Sediments formation Heating and Pressure Magma