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7/24/2019 Earths Features With Review
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Constructive ProcessConstructive Process
Essential QuestionsEssential Questions
What are surface features?
What are examples of constructive
process? How can a surface feature be changed by
a constructive process?
What are surfaces features caused byconstructive processes?
7/24/2019 Earths Features With Review
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Constructive ProcessConstructive Process
eposition !
! a process of dropping sediment" dirt" roc#s"
or particles in on place$
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Constructive ProcessConstructive ProcessExamples of DepositionExamples of Deposition
ConstructiveProcess
Force Surface FeatureCreated
Deposition
water / river Deltas
water / river Floodplains
water / ocean Beaches andBarrier Islands
wind Sand dunesIce / glacier Moraines
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ther Constructive Processesther Constructive Processes
ConstructiveProcess
Force SurfaceFeature
Folding platemovements
mountains
Faulting platemovements
Mountains
Earth!ua"e plate
movements
cliffs #fault
scarp$
%olcanic&ctivit'
platemovements
mountains /islands
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Constructive Process (essonConstructive Process (esson
)eview)eview
%$ eposition is a process that
&$ issolves sediment
'$ 'rea#s down roc# to form sediment
C$ (emoves sediment from landforms
$ rops sediment to form landforms
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(esson )eview(esson )eview
)$ Where do deltas form?
&$ *n desert areas
'$ &t river mouths
C$ +n the ban#s of rivers
$ *n valleys formed by glaciers
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(esson )eview(esson )eview
,$ -ong shore currents in the ocean help
create
&$ 'eaches
'$ unes
C$ (ivers
$ rumlins
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(esson )eview(esson )eview
.$ /olcanoes can create new land when
they release
&$ -ava
'$ Water
C$ 0aults
$ mud
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(esson )eview(esson )eview
1$ What forms moraines?
&$ Wind
'$ (ivers
C$ 2laciers
$ /olcanoes
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Constructive ProcessConstructive Process
Essential QuestionsEssential Questions
What are surface features?
! 3urface features are landforms and bodies of
water that cover the Earth4s surface such as5
6ountains" valleys" canyons" gorges" beaches"
sand dunes" barrier *slands" flood7plains"
moraines" and drumlins" volcanoes" oceans" la#es"
and rivers
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Constructive ProcessConstructive Process
Essential QuestionsEssential Questions
What are examples of constructive
process?
! eposition
! /olcanic &ctivity
! Earth8ua#e &ctivity
! 0aulting
! 0olding
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Constructive ProcessConstructive Process
Essential QuestionsEssential Questions
How can a surface feature be changed by
a constructive process?
! 'y forces such as wind" water" ice" through
the process of deposition$
! 9he movement of the Earth4s crust
Plate 9ectonics :movements;
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Constructive ProcessConstructive Process
Essential QuestionsEssential Questions
*hat are surface
features formed
from constructive
processes+ Delta
Floodplains
Barrier island
Sand dune
Moraine
Drumlin
Islands
Mountain )anges
Cliffs , Fault Scarps
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estructive Processestructive Process
Essential QuestionsEssential Questions
What are examples of destructive
processes?
How are surface features changed bydestructive processes?
What are examples of surface features
caused by destructive processes?
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estructive Processesestructive Processes
*eathering, -he .rea"ing down of roc"! Mechanical / Physical
Freeing and thawing of )oc"
*ater freeing and expanding in crac"s of roc"
Impact of organisms! Plant roots growing
! &nimals .urrowing
! Chemical
xidation / rusting
Car.onic &cid / acid rain! Caverns
Impact of organisms
! &cid from (ichen
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Destructive ProcessDestructive Process
Erosion ,Movement of roc" from one place to another! *ater / )ivers
Can'ons 0orges % shaped %alle's
!*ater / cean *aves Sea arches
Sea stac"s
! *ind Buttes Desert pavements
! Ice / 0laciers 1 shape %alle's
! 0ravit' Mast *asting
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Destructive ProcessDestructive Process
%olcanic &ctivit'
! Movement of Earths Crust #Plate tectonics$
)eshaping of Mountains
Earth!ua"es
! Movement of Earths Crust #Plate tectonics$
-renches
! crac"s in the Earth Curst
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(esson )eview(esson )eview
%$ What is weathering?
&$ & type of climate
'$ 9he transport of sedimentC$ 9he brea#down of roc#
$ 9he aging of roc#
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(esson )eview(esson )eview
)$ Which of theses is caused by
chemical weathering?
&$ desert pavement'$ formation of
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(esson )eview(esson )eview
,$ How do earth8ua#es change the
land?
&$ 9hey transport sediment$'$ 9hey form crac#s in the surface$
C$ 9hey release ash and lava$
$ 9hey cause chemical weathering$
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(esson )eview(esson )eview
.$ & river can form
&$ 3ea arches$
'$
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estructive Processestructive Process
Essential QuestionsEssential Questions
*hat are examples of destructive
processes+
! *eathering
Mechanical / Ph'sical
Chemical
! Erosion
! %olcanic &ctivit'! Earth!ua"e &cuit'
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estructive Processestructive Process
Essential QuestionsEssential Questions
2ow are surface features changed .'destructive processes+! Freeing and thawing of the earth3s crust! Freeing water in crac"s of roc"
! xidation / rusting! Car.onic acid / acid rain! Impact of organisms! *ater / rivers and oceans
! Ice / glaciers! *ind! 0ravit'! Movement of earth3s plates / plate tectonics
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estructive Processestructive Process
Essential QuestionsEssential Questions
*hat are examples of surface features caused.' destructive processes+! Caverns / Carbonic Acid
! %4shaped valle's / River water
! Can'on / gorges / River water
! Sea arches / Ocean Waves
! Sea stac"s / Ocean Waves
! Buttes / Wind
! Desert pavements / Wind
! )eshaped mountains / Volcanoes
! -renches / Earthquakes
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Controlling Constructive andControlling Constructive and
Destructive Processes E5Destructive Processes E5
How can constructive and destructive
processes be controlled through the use
of technology?
How does technology affect constructive
and destructive processes?
What are examples of technology used to
control constructive and destructive
processes?
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Effects on ConstructiveEffects on Constructive
ProcessesProcesses
Dam! a structure built across a river to
control its flow
! Positive Eect
0lood Control
Hydroelectric Power
! !e"ative Eect
Holds bac# sediment! Prevents deposition of flood plains" deltas" and beaches
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Effects on Destructive ProcessesEffects on Destructive Processes
Prevention of .each erosion! 0roin! a structure .uilt perpendicular to the .each$
Positive Effect! -raps sand that moves along the shore and causing the .each to
.uild up6
7egative Effect! Beach Erosion down stream is worse6
! Seawall! a structure .uilt parallel to the shore Positive Eect
! Protects land .ehind if from ocean the ocean waves
!e"ative Eect! cean side .each will erode
! Beach 7ourishment! sand from ocean or nearby rivers arepumped onto the beach
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Effects on Destructive ProcessesEffects on Destructive Processes
Prevention of .each erosion #cont$! Seawall! a structure .uilt parallel to the
shore
Positive Eect!Protects land .ehind if from oceanthe ocean waves
!e"ative Eect
!cean side .each will erode! Beach 7ourishment! sand from ocean or
nearby rivers are pumped onto the beach
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Effects on Destructive ProcessesEffects on Destructive Processes
Prevention of soil erosion! Contour Plowing, method in which farmers plow across
the sided of hill instead of down
! -erracing, the planting of corps on terraces #steps$ .uilt
into steep hillsides6! *ind.rea"s, rows of plants or fences6
Slow down wind and limit the distance it can carr' soil6
! %egetation, used to hold soil in place
! Storm drain management , a s'stem of drains
Prevents flooding and soil erosion
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Effects of %olcanoes andEffects of %olcanoes and
Earth!ua"esEarth!ua"es
%olcanoesand Earth!ua"escan not .e
controlled8
! 2owever scientist have wa's to determine when
and where these the' might occur6 %olcanoes ,
! instruments are used to detect changes in volcanoes
Earth!ua"es ,
! Detailed maps show ma9or faults
! Safet' Education
! 7o new .uildings on or near faults
! Building codes to resists earth!ua"es
! Seismographs , measures earth!ua"es on a rector scale
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(esson )eview(esson )eview
:6 *hat is the purpose of a groin+
&6 to strengthen dams
B6 to stop .each erosionC6 to create new sediment on
shorelines
D6 to .rea" down headlands
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(esson )eview(esson )eview
;6 Beaches that have eroded are
reclaimed through
&6 weathering6B6 .uilding of seawalls6
C6 .each nourishment6
D6 .uilding of terraces6
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(esson )eview(esson )eview
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(esson )eview(esson )eview
=6 Scientist "now where
earth!ua"es will occur .ecause
the' "now the locations of&6 faults
B6 volcanoes
C6 mountains
D6 long4shore currents6
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(esson )eview(esson )eview
>6 *hich of these do scientists useto predict when a volcano is li"el'to erupt+
&6 the age of the volcano
B6 earth!ua"es .eneath the volcano
C6 temperature of near.' rivers
D6 the hardness of roc" near thevolcano
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Controlling Constructive andControlling Constructive and
Destructive Processes E5Destructive Processes E5 2ow can constructive and destructive processes .e controlled
through the use of technolog'+ Flooding
! Dams Beach Erosion
! 0roins! Seawalls! Beach nourishment
Soil Erosion! Contour plowing
! -erracing! *ind .rea"s! Planting of vegetation! Storm drain management s'stems
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Controlling Constructive andControlling Constructive and
Destructive Processes E5Destructive Processes E5 2ow does technolog' effect constructive and destructive
processes+! Dams,
Positive Eect! Flood Control! 2'droelectric Power
!e"ative Eect! Prevents deposition of flood plains? deltas? and .eaches
! 0roins! Positive Effect
! -raps sand that moves along the shore causing the .each to .uild up6
7egative Effect! Beach Erosion down stream is worse6
! Seawalls! Positive Eect
! Protects land .ehind from ocean waves
!e"ative Eect! cean side .each will erode
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Controlling Constructive andControlling Constructive and
Destructive Processes E5Destructive Processes E5
*hat are examples of technolog' used tocontrol constructive and destructiveprocesses+! Dams
! 0roins
! Seawalls
! *ind Brea"s
! Contour plowing techni!ue
! -erracing techni!ue
! Storm Drainage S'stems
! Beach 7ourishment
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1nit )eview1nit )eview
:6 *hat landform forms from
deposition at the mouths of
rivers+&6 a delta
B6 a floodplain
C6 a sand duneD6 a moraine
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1nit )eview1nit )eview
;6 Deposition forms these features
on coasts6
&6 drumlinsB6 floodplains
C6 .arrier islands
D6 14shaped valle's
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1nit )eview1nit )eview
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1nit )eview1nit )eview
=6 & dam across a river can cause
&6 the formation of a delta6
B6 the carving of a valle'6C6 the erosion of a .each6
D6 the formation of a sea stac"6
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1nit )eview1nit )eview
>6 *hich of these helps prevent the
harmful effects of erosion+
&6 damsB6 volcanoes
C6 (ong4shore currents
D6 contour plowing
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1nit )eview1nit )eview
@6 In which t'pe of climate are 'ou
most li"el' to find a sand dune tht
is not on the coast+&6 dr'
B6 humid
C6 ic'D6 hot
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1nit )eview1nit )eview
A6 *hat is the purpose of a groin+
&6 to prevent chemical erosion of roc"
B6 to release trapped sediment from.ehind dams
C6 to help predict volcanic activit'
D6 to stop erosion of .eaches
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1nit )eview1nit )eview
6 *hat does erosion do+
&6 .rea"s down roc" ph'sicall'
B6 moves .ro"en pieces of roc"C6 changes roc" chemicall'
D6 change sediment into roc"