Erosion and Deposition Study Guide What is the material moved by erosion called? What is the process that moves sediment downhill? What is it called when raindrops erode tiny grooves in the soil? What kind of river is on a gentle slope and spreads out slowly wearing away a valley? A deposit that forms where a river leaves a mountain range is called what? The amount of sediment a river carries is its sediment _____. A part of a shore that sticks out into the ocean is a __________. What is it called when wind erodes sediment from the surface? What is a huge chunk of ice that moves over the land called? What is sediment dropped by a glacier called? What type of mass movement can result in gravestones and fence posts tilting at odd angles? What is the force that pulls rock and soil down slopes? What is a channel along which water is continually flowing down a slope called? What is water called that moves over the earth’s surface after it rains? When a river flows out of a steep, narrow mountain valley, an alluvial fan forms why? How do waves erode land? What formed Yosemite Valley? The till deposited at the edge of a glacier forms a ridge called? Landslides and slumps are forms of _______. After a rainfall, the water that moves over Earth’s surface is called________. The process by which erosion lays down sediment in new locations is called_________. The process by which wind removes surface material is ____. A glacier forms in areas where move snow falls than _____. Words to Know Morraine Loess Meander Spit Creep Oxbow Erosion Mass movement Sediment Deposition Valley glacier Explain how glacier picks up rocks. How does a sandy beach form, and where does the sand come from?