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. Inner Core Outer Core Mantle Crust 2 Order the soil horizons from the topmost layer to the bottommost layer. B Horizon (Subsoil) E Horizon (Eluviation layer) O Horizon (Organic layer) C Horizon (Parent material) R Horizon (Bedrock) A Horizon (Topsoil) 3 Order the elements based on the natural sequence of processes in the rock cycle. (Start with MAGMA) Sediments formation Weathering and erosion Igneous rock formation Heating and Pressure Metamorphic rock formation Magma Sedimentary rock formation Melting