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Chapter 7 Erosion and Deposition
Terms in this set (52)
process by which water,ice, wind, or gravity moves weathered rock or soil
small, solid pieces of material that come from rocks or organisms; earth materials deposited by erosion
process in which sediment is laid down in new locations
a force that moves rocks and other materials downhill; the force that pulls objects toward each other
any one of several processes by which gravity moves sediment downhill
water that flows over the ground surface rather than soaking into the groun
a tiny groove in soil made by flowing water
a large channel in soil formed by erosion
a channel through which water is continually flowing downhill
a stream or small river that feeds into a main river
wide valley through which a river flows
a loop like bend in the course of a river
a meander cut from a river
a wide, sloping deposit of sediment formed where a stream leaves a mountain range
a landform made of sediment that is deposited where a river flows into and ocean or lake
water that fills cracks and space in underground soil and rock layers
a calcite deposit that hangs from the roof of a cave
a cone shaped calcite deposit that builds up from the floor of a cave
a region in which layer of limestone close to the surface creates deep valley caverns and sinkhole
large mass of moving ice and snow on land
glacier that covers much of a continent or large island
time in the past when continental glaciers covered large parts of earths surface
long, narrow glacier that forms when snow and ice build up in a mountain valley
process by which a glacier picks up rocks as it flows over the land
grinding away of rock by other rock particles in water, wind, ice
sediments deposited directly by a glacier
a ridge formed by the till deposited at the edge of a glacier
a small depression that forms when a chunk of ice is left in glacier till
part time of the shore that sticks out into the ocean
wave-washed sediment along a coast
movement of water and sediment a beach caused by waves coming in a shore at an angle
beach formed by a long shore frigt that projects like out into the water
deposits of wind blown sand
wind erosion that removes surface materials
wind formed deposits made of fine particles of clay and silt
What process wears down and build up Earths Surface?
weathering, erosion, deposition
What causes the different types of mass movement?
What force causes mass movement?
What process us mainly responsible for shaping the surface on the land?
What features are formed by water erosion and deposition?
valleys, waterfalls, floodplains, meanders, oxbow lake
What causes groundwater erosion?
by a process of chemical weathering
What are two kinds of glaciers?
continental and valley
How do glaciers cause erosion and deposition?
erosion is plucking and abraison deposition is when it melts
How does wind cause erosion?
deflation and abraison
What features result from deposition by wind?
sand dunes and loess deposits
When does wind carried sediment fall to the ground?
when it slows down or an obstacle is in the way
what type of sediment can be found far away from it source?
Where can glaciers form?
where more snow falls than melts
What is a v shaped valley form when its smoothed out and how?
a u shaped valley and by glacier erosion
How does plucking start?
pull the rock out of the ground slowly and start to carry it away
What gives waves their energy?
the wind that blows across the surface
What direction do particles of a wave move?
up and down
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