science vocab

Question Answer
Mass Movement any of several processes by which gravity moves sediment downhills
Divide the ridge of land that separates one drainage basin from another
Flood Plain wide valley through which a rivers flow
Meander a looplike bend in the course of a river
Oxbow Lake a meader cut off from a river
Alluvial Fan a wide sloping deposit of sediment formed where a stream leaves a mountain range
Runoff water that flows over the ground surface rather than soaking into the ground
Drainage Basin the land area from which a river and its tributaries collect ther water
Tributary a stream that flows into a larger stream
River a large stream
Stream a channel through which water is continually flowing downhill
Gully a large channel in soil formed by erosion

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