Flashcards in Test 4, Chapter 4 Deck (45):
A huge bowl-shaped depression dug out by a valley glacier is a(n)?
What is a natural ridge formed along the edge of a river's channel?
Which type of weathering involves the breaking or peeling away of rock into layers?
A pillarlike structure of rock formed when the middle of a sea arch collapses is a
The feature formed by streams merging and flowing toward the sea as a large river is a
What is produced when a sea cave is eroded continually?
Large, deep grooves and scratches in rock, produced by glaciers, are?
The piles of debris left behind when a glacier melts are
A low hill formed when a glacier overruns a moraine is a?
Deposits of clay and silt left by a sandstorm are
What type of weathering occurs when rainwater soaks into cracks in a rock and freezes, splitting the rock?
When a glacier-carved valley fills with seawater, a(n) ____ forms.
Which natural acid, found in rainwater and ground water, promotes chemical weathering of rocks?
The most important effect of wind erosion is
Regions of the earth's surface where limestone is exposed and abundant are called ____ regions
Ice sheets smaller than continental glaciers are
A long pile of rocks deposited parallel to the shore to prevent erosion is a(n)
The sharp, steeple-shaped point of a mountain with three or more cirques is a(n)
A large, funnel-shaped depression in the ground caused by cavern collapse is a(n)
Narrow, sandy islands that lie off the coast of the mainland are called ____
The eroding action of windblown sand is called?
Suspension, saltation, and creep, in which wind transports sediments, are ___ processes.
The natural processes that break down rocks are collectively called ______
A spirelike mass of dripstone on the floor of a cave is called a ______
The method of erosion prevention that modifies a smooth slope into a series of level, stairlike steps is ________
The carrying away of rock fragments, such as by wind or running water, is called ____
The type of rock most commonly associated with caverns is _____
Particles too heavy to be lifted by the wind are rolled in short bursts through a process called _____
the source of a river
the sediments carried by a stream
one of the numerous streams that feed into a river at various points
land that borders a river and is covered by river water in flood time
a winding, looping curve in a river on flat ground
lake formed when a sharp curve in a river is cut off from the rest of the river
fan-shaped deposit of sediments at the mouth of the river
region of land drained by a stream or river system
a large stream that carries water from the mountains to the sea
fan-shaped deposit of sediments at the mouth of a dry steam bed in the desert
What are two general types of weathering?
chemical weathering, physical weathering
What are the two major types of glaciers?
continental glacier, valley (or alpine) glacier
Name the deep cracks that develop on the surface of a glacier
What are limestone formations that have become filled with various passageways and large caves called?
What is the main agent of chemical weathering?
What is a vertical face of rock called that forms when the sea erodes land?