27.2 Flashcards
what is the difference between weathering and erosion?
Erosion is the removal of surface material while weathering is the breakdown of materials.
If the slope of a river decreases, what will happen to the river’s speed?
The river’s speed would decrease
What are small streams that flow into larger rivers called?
tributaries
What is land area that gathers water for a major river called?
drainage basin
what is the boundary that separates distinct drainage basins called?
drainage divide
What is created when water flows downhill under the influence of gravity, water erodes earth’s surface.
channels
What shape does young rivers have due to fast movement?
V-shaped
What type of rivers are wide with smooth and gentle slopes?
Mature rivers
What type of land form is formed when rivers flood and drop their sediment load?
flood plains
What is a fan shaped sediment deposit that forms at the mouth of a river where it empties?
Deltas
What are distributaries?
Branching channels created by deltas
What is formed when the mouth of a river or stream enters dry land?
Alluvial Fans
