the breaking down of rock by mechanical action of an other rock
ABRASION
when strong acids fall to Earth they are called
ACIDPRECIPITATION
the process by which rock is broken down by physical changes
PHYSICALWEATHERING
the breakdown of rock by physical and chemical changes
WEATHERING
the process when the outer layers of rock slowly peel away
EXFOLIATION
the breaking down and wearing away of rock material by the mechanical action of other rock
ABRASION
the breakdown of rocks by chemical reactions
CHEMICALWEATHERING
the process by which other chemical combine with oxygen
OXIDATION
a common feature in cave systems
STALACTITES
a common feature in cave systems
STALAGMITES
the process by which by which sediment is moved to one place to another
EROSION
the process by which eroded material is dropped
DEPOSITION
layers of deposited sediment can form a flat area called a
FLOODPLAIN
streams often deposits their loads in a fan-shaped pattern
DELTA
a fan-shaped deposit that forms on dry land
ALLUVIALFAN
the water located within the rocks below Earth's surface
GROUNDWATER
is a place where land and a body of water meet
SHORELINE
an area of shorelinethat is made up ofmaterial deposited by waves and currents
BEACH
an underwater or exposed ridge of sand, gravel, or shell material
SANDBAR
a long narrow island usally made of sand
BARRIERISLAND
mounds of wind-deposited sands are called
DUNES
deposites of this windblown, finegrained sediment
LOESS
a large mass of moving ice
GLAICER
the general term for all materials carried and deposited by a glaicer
GLACIERDRIFT
slow movement of material downslope
CREEP
happens when loose rocks fall down a steep slope
ROCKFALL
the sudden movement of a large amount of material downslope
LANDSLIDE
a rapid movement of a large mass of mud is called
MUDFLOW