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Stream Development SWBAT describe some of the physical features of stream development; explain the process of rejuvenation in stream development Moving Water Carves a Path Stream channel A pathway carved by moving water in sediments or rocks Steam banks The confines that hold the stram channel in place Formation of Stream Valleys How are stream valleys formed? Meander a stream valley is formed when water erodes a path, carving a v shaped channel with steep. A bend or curve in a stream channel caused by moving water. How do oxbow lakes form? Oxbow lakes are formed when a meander is cut off from a stream from the deposition of materials. Deposition of Sediments Alluvial fan Delta A fan shaped sediment deposit, left when a stream’s gradient suddenly decreases A triangular deposit that forms where a stream enters a large body of water Rejuvenation A stream actively resumes the process of downcutting toward its base level In your groups Answer questions 1-5 on page 227 Be sure to use complete sentences, and restate the question in the answer. Finish for homework