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Ivack 6th Chapter 9
33 cards·by livack
a process caused by gravity that moves sediment downhill
mass movement
slow downhill movement of rock and soil
creep
most destructive mass movement down a steep slope
landslide
water tumbles over hard rock after soft rock is removed
waterfall
rapid and wet downhill mass movement
mudslide
material moved by erosion
sediment
process of MOVING weathered rock
erosion
water that moves over Earth's surface
runoff
channel of water that flows down a slope and rarely dries up
stream
forms where a river flows into an ocean or lake
delta
a bend in a river
meander
material moves downhill in one large mass
slump
process of depositing sediment
deposition
force that moves objects down
gravity
tiny grooves that flow into gullies
rill
large grooves that flow into streams
gully
wide deposit of sediment where a stream leaves a mountain range
alluvial fan
a meander cut off from the river
oxbow lake
cave formations on the ceiling
stalactite
cave formations on the ground
stalagmite
the amount of sediment a river carries
load
gentle slopes (increase/decrease) erosion
decrease
steep slopes (increase/decrease) erosion
increase
friction causes (more/less) erosion
more
turbulence causes (more/less) erosion
more
the process of glaciers picking up sediment as they move over the land
plucking
mixture of sediments that a glacier deposits directly on the surface
till
a till deposited at the edges of a glacier and form a ridge
moraine
a small depression that forms when a chunk of ice is left in a till
kettle
a beach is a result of (erosion
deposition)
a headland is a result of (erosion
deposition)
the main way wind causes erosion
deflation
the weakest agent of erosion
wind