Science8

Front 1

were land and a body of water meet

Back 1

shoreline

Front 2

movement of materials by water

Back 2

erosion

Front 3

the accumulation of eroded particles

Back 3

deposition

Front 4

ripples on the water caused by wind

Back 4

waves

Front 5

groups of waves travelling together

Back 5

wave trains

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breaking waves

Back 6

surf

Front 7

can break solid rock and reposition the peoces

Back 7

pounding surf

Front 8

the intervals between breaking waves

Back 8

wave period

Front 9

any area of the shoreline made uo if materials deposited by waves

Back 9

beaches

Front 10

waves hit the beach at a slight angle but retreat perpendicular to the shore

Back 10

wave angles

Front 11

the movement of watetr near and parellel to the shoreline

Back 11

longshore current

Front 12

an underwater or exposed ridge of sand, gravel or shell material

Back 12

sand bar

Front 13

occurs when an exposed sand bar is connect to the shoreline

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barrier spit

Front 14

produces a variety of features along the shoreline

Back 14

wave erosion

Front 15

steep slopes form when waves erode and undercut rocks

Back 15

sea cliffs

Front 16

what is a type of alpine glacier

Back 16

valley glacier

Front 17

huge contenetal masses of ice that may form across and entire continent

Back 17

contentetal glaciers

Front 18

cover over millions of sq. km with ice. anarctica is an example

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contenetal ice sheets

Front 19

what is the largest type of contenetal glaciers

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contenetal ice sheets

Front 20

an area wher ice is attached to the ice sheet but is resting over oopen water

Back 20

ice shelf

Front 21

large pecies of ice that break of an ice shelf and drift into the ocean

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iceburg

Front 22

whats bigger an icebirg or a glacier

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glacier

Front 23

the process by which an icebirg is made

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calving

Front 24

what are the two ways an icebug can be made

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1)"rolling" bottom ice melts iceburg slips and rolls

2)"sliding" they ice crystals go ontop of another and then fall down slowly

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a large crack that forms where the glacier picks up speed or flows over a high point

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crevasse

Front 26

sharp, pyramid-shaped peaks that form when 3 or more cirques erode the mountain

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horns

Front 27

bowl-like depresions where glacial ice cut back into mountains

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cirques

Front 28

jagged ridges that form between 2 or more cirques cutting into the same mountain

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aretes

Front 29

formed when a glacier erodes a river valley form its original "v" shape to "u" shape

Back 29

u shaped valleys

Front 30

smaller glacial valleys that join the deeper main valley

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hanging valleys

Front 31

grooves on rocks caused by glaciers

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straitions

Front 32

general term used to describe all materails carried and deposited by glaciers

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glacial drift

Front 33

rock material that has been sorted and deposited in layers by water flowing from melted ice

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straified drifts

Front 34

sorted material carried by streams flowing form the melting glacier that are deosited in a broad area in front of glaciers

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outwash plain

Front 35

depression left when a block of ice from the glacier is left in the outwash plain

Back 35

kettle

Front 36

unsorted rock material that is deposited directly by the ice when it melts

Back 36

till

Front 37

means that till is made up of different sizes of rock material ranging from large glaciers to fine glacial silt

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unsorted till

Front 38

form ridges along the edges of glaciers

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moraines

Front 39

form when two different valley glaciers with lateral moraines meet

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medial moraines

Front 40

a large crack that forms where the glacier picks up speed or flows over a high point

Back 40

crevasse

Front 41

sharp pyramidshaped peaks that form when3 or more cirques erode the moutain

Back 41

horns

Front 42

bowl-like deppressions where glacialice cuts back into the mountain wall

Back 42

cirques

Front 43

formed when a glacier erodes a river valley from its original v-shaped

Back 43

u shaped valleys

Front 44

smaller glacial valleys that join the deeper main valley

Back 44

hanging valley

Front 45

groves on rocks caused by glaciers

Back 45

striations

Front 46

form along each side of a glacier

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lateral moraine

Front 47

are the unsorted materials left beneath a glacier

Back 47

ground moraines

Front 48

form when eroded materials is dropped at the front of the glacier

Back 48

terminal morianes

Front 49

what are the 4 types of moraines

Back 49

medial, terminal, lateral, and ground moraines

Front 50

is the movenment of any material such as rock,silt or snow downslope

Back 50

mass movement

Front 51

the steepest angle or slope at which loose material will not slide downslope

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angle of repose

Front 52

a group of loose rocks fall down a steep slope

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rock slide

Front 53

the sudden and rapid movement of a large amount of material downslope

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landslide

Front 54

a block of material moves downslope over a curved surface, example of a landslide

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slump

Front 55

a rapid movement of a large mass of mud

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mudflow

Front 56

mudflows of volcamic origin

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lahar

Front 57

an extreamly SLOW movement of materials downslope

Back 57

creep

Front 58

priduces a variety of features on the shoreline

Back 58

wave erosion

Front 59

steep slopes that erode and undercut rock

Back 59

sea cliffs

Front 60

offshore columns of resistnat rocks that were once connected to the main land

Back 60

sea stacks

Front 61

form when wave action continues to erode a sea cave cutting completly through rock

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sea arches

Front 62

form when waves cut large holes waves erode and undercut rocks

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sea caves

Front 63

finger shaped projection that occurs when cliffs formed of large rocks erode slowly

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headland

Front 64

form when a see cliff is worn back producing a nearly level platform beneath the water at the base of the cliff

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wave cut terrace

Front 65

the movement of sand sized particles by a skipping and bouncing action in the direction of the win

Back 65

saltation

Front 66

the lifting and removal of sediment by wind

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deflation

Front 67

hard rocky surface consisting of pebbles and small broken rocks caused by deflation

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desert pavement

Front 68

wind blown depressiosn in the sand

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depression hollow

Front 69

the grinding and wearign down of sediments

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abrasion

Front 70

mounds of wind deposited sand

Back 70

dunes

Front 71

think deposits of wind blown sediments

Back 71

loess

Front 72

an enormous mass of moving ice

Back 72

glacier