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Runoff and Erosion
Erosion by Rivers
Deposits by Rivers
Groundwater Erosion
100
______________ is water that moves over the Earth’s surface.
What is runoff
100
________________ are common where the river passes over harder rock.
What is waterfall
100
Sediment deposited where a river flows into an ocean or lake is called a(n)______________.
What is a delta
100
____________________ is the term used by geologists for water that soaks into the ground.
What is groundwater
200
_______________ is the major agent of the erosion that has shaped Earth's land surface.
What is moving water
200
Through erosion, rivers form ____________________, which are wide, flat areas covered by water during floods.
What is flood plain
200
________________ is a wide, sloping deposit, sloping deposit of sediment formed where stream leaves a mountain range.
What is an alluvial fan
200
A deposit that hangs like an icicle from the roof of a cave
What is stalactite
300
Forms tiny grooves in the soil is called _____________.
What is rills
300
Its channels bends from side to side.
What is a meander
300
Sand carried downstream by the river spreads along the coast to form ____________.
What is beaches
300
Cone-shaped build up on the floor of a cave is called ___________.
What is stalagmite
400
______________ is a large groove or channel in the soil that carries runoff after a rainstorm.
What is gully
400
_____________ is a meander cut-off from the river by deposition of sediment.
What is an oxbow lake
400
___________ forms where the river's power of erosion widens its valley rather then deepening it.
What is flood plain
400
When the roof of a cave collapses the result depression is called _____________.
What is a sinkhole