Test 4

Question 1

What is a natural ridge formed along the edge of a river’s channel?_________________

Answer 1

levee

Question 2

A pillarlike structure of rock formed when the middle of a sea arch collapses is a__________

Answer 2

sea stack

Question 3

Deposits of clay and silt left by a sandstorm are__________

Answer 3

loess

Question 4

The piles of debris left behind when a glacier melts are_________

Answer 4

moraines

Question 5

What is produced when a sea cave is eroded continually?_____________

Answer 5

sea arch

Question 6

A huge bowl-shaped depression dug out by a valley glacier is a___________

Answer 6

cirque

Question 7

Which type of weathering involves the breaking or peeling away of rock into layers?__________

Answer 7

exfoliation

Question 8

The feature formed by streams merging and flowing toward the sea as a large river is a_____________

Answer 8

river system

Question 9

Large, deep grooves and scratches in rock, produced by glaciers, are__________

Answer 9

striae

Question 10

A low hill formed when a glacier overruns a moraine is a___________

Answer 10

drumlin

Question 11

When a glacier-carved valley fills with seawater, a ________________ forms

Answer 11

fjord

Question 12

The most important effect of wind erosion is___________

Answer 12

deflation

Question 13

What type of weathering occurs when rainwater soaks into cracks in a rock and freezes, splitting the rock?_____________

Answer 13

ice wedging

Question 14

Which natural acid, found in rainwater and ground water, promotes chemical weathering of rocks?__________

Answer 14

carbonic acid

Question 15

Ice sheets smaller than continental glaciers are__________

Answer 15

ice caps

Question 16

Suspension, saltations, and creep, in which wind transports sediments, are_______________ processes

Answer 16

aeolian

Question 17

Narrow, sandy islands that lie off the coast of the mainland are called___________

Answer 17

barrier islands

Question 18

The sharp, steeple-shaped point of a mountain with three or more cirques is a____________

Answer 18

horn

Question 19

Regions of the earth’s surface where limestone is exposed and abundant are called_______________ regions.

Answer 19

karst

Question 20

A long pile of rocks deposited parallel to the shore to prevent erosion is a___________

Answer 20

breakwater

Question 21

A large, funnel-shaped depression in the ground caused by cavern collapse is a___________

Answer 21

sinkhole

Question 22

The eroding action of windblown sand is called___________

Answer 22

abrasion

Question 23

A spirelike mass of dripstone on the floor of a cave is called a____________

Answer 23

stalagmite

Question 24

The carrying away of rock fragments, such as by wind or running water, is called_____________

Answer 24

erosion

Question 25

Particles too heavy to be lifted by the wind are rolled in short bursts through a process called_____________

Answer 25

creep

Question 26

The type of rock most commonly associated with caverns is_____________

Answer 26

limestone

Question 27

The natural processes that break down rocks are collectively called____________

Answer 27

weathering

Question 28

The method of erosion prevention that modifies a smooth slope into a series of level, stairlike steps is______________

Answer 28

terracing

Question 29

The sediments carried by a stream___________

Answer 29

load

Question 30

Land that borders a river and is covered by river water in flood time____________

Answer 30

floodplain

Question 31

Lake formed when a sharp curve in a river is cut off from the rest of the river___________

Answer 31

oxbow lake

Question 32

Region of land drained by a stream or river system__________

Answer 32

drainage basin

Question 33

Fan-shaped deposit of sediments at the mouth of a dry stream bed in the desert___________

Answer 33

alluvial fan

Question 34

The source of a river________________

Answer 34

headwater

Question 35

One of numerous streams that feed into a river at various points_____________

Answer 35

tributary

Question 36

A winding, looping curve in a river on flat ground_______________

Answer 36

meander

Question 37

Fan-shaped deposit of sediments at the mouth of a river___________

Answer 37

delta

Question 38

A large stream that carries water from the mountains to the sea____________

Answer 38

river

Question 39

Name the deep cracks that develop on the surface of a glacier._____________

Answer 39

crevasses

Question 40

What is the main agent of chemical weathering?_____________

Answer 40

water

Question 41

What are limestone formations that have become filled with various passageways and large caves called?______________

Answer 41

caverns

Question 42

What is a vertical face of rock called that forms when the sea erodes land?______________

Answer 42

sea cliff

Question 43

What are the two major types of glaciers?_________________, _______________

Answer 43

continental glacier | valley glacier

Question 44

What are two general types of weathering?_____________ ____________

Answer 44

chemical weathering | physical weathering