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Across 1. mudflow is _____ moving downhill flow of soil and rock fragments containing a large amount of water 4. the downward slipping of a mass of rock/unconsolidated material moving as a unit along a _____ surface is slump. 6. soil of_____regions characterized by the accumulation of iron oxides and aluminum rich clays in the B horizon is pedalfer. 7. slow-moving downslope movement of _____-saturated, clay-rich sediment, most characteristic of humid regions is earth flow. 8. a _____section through a soil showing its succession of horizons and the underlying parent material is soil profile 9. type of weathering caused by____pressure on a rock surface, allowing slabs of outer rock to break off in layers is exfoliation 12. a combination of mineral & _____matter, water and air,(portion of the regolith that supports plant growth) is soil. 13. the layer of rock and mineral fragments that covers Earths surface almost everywhere is______ 14. ______ occurs when a mass of rock slides rapidly downslope along planes of weakness 16. Laterite is a highly leached soil type found in the tropics that is rich in oxides of iron and aluminum. what color is laterite? 18. ______occurs when rocks or rock fragments fall freely through the air common on steep slopes

Down 2. a layer of soil that has identifiable characteristics produced by ______ _______ and other soil-forming processes is soil horizon. (2 Words) 3. the mechanical breakup of rock caused by the expansion of freezing_____in cracks and crevices is frost wedging 5. mechanical weathering is the physical disintegration of rock resulting in_____fragments 10. the processes by which the _____structure of a mineral is altered by the removal/addition of elements is chemical weathering 11. the downslope movement of rock, regolith, and soil under the direct infuence of ____ is mass movement. 15. the____downhill movement of soil and regolith is creep. 17. soil associated with____regions and characterized by an accumulation of calcium carbonate in the upper horizons is pedocal 19. an accumulation of rock debris at the base of a_____ is talus