Weathering
What is a natural ridge formed along the edge of a river's channel?
Levee
What are the piles of debris left behind when a glacier melts?
moraines
What is a sudden slide of huge masses of rock or soil down a slope?
Landslide
Which type of weathering does not change the chemical composition of the minerals that compose a rock?
Physical weathering
What is the removal of loose particles of sand in soil by the wind?
deflation
Which type of weathering involves the breaking or peeling away of rock into layers?
Exfoliation
What is a low hill formed when a glacier overruns a moraine?
Drumlin
What is the main agent of chemical weathering?
Water
What type of weathering occurs when rainwater soaks into cracks in the rock and freezes, splitting the rock?
ice wedging
What are deep cracks in fissures in a glacier?
crevasses
What feature consists of a relatively large stream in any smaller streams that flow into it?
Drainage system
What is a glacier N carved valley that has filled with seawater called?
Fjord
What is the drainage divide in the Rocky Mountains west of the Mississippi River drainage basin?
Great Divide
Which natural acid, found in rainwater and ground water, promotes chemical weathering of rocks?
Carbonic acid
Is a rapid movement of loose, water saturated soil?
Mudflow
What are large, deep grooves and scratches in rock, produced by glaciers?
Striae
This is a feature formed when a sharp curve and a river is cut off from the rest of the river.
oxbow lake
What term describes a huge hole left in the ground when an ice chunk left by retreating glacier melts?
kettle
What is the name of the triangular settlement deposit formed on a plane by a temporary mountain stream?
Alluvial fan
What is the natural process that breaks down rocks?
weathering
What process occurs when oxygen from the atmosphere reacts with minerals like calcium, magnesium, and iron to form new compounds?
Oxidation
What are the winding, looping curves of rivers?
Meanders
What do you call any type of erosion caused by wind?
eolian process
What is the gravity process which causes the downslope movement of rocks, soil, volcanic ash, snow, or ice.
Mass wasting
What is a spire-like mass of dripstone on the floor of a cave?
stalagmite