origins of landforms
DESCRIPTION
Origins of Landforms. Overview of Materials for Landform Activities Landform Activity Demos that Accompany this PPT. Origins of Landforms. TEKS 8.14 (A). predict land features resulting from gradual changes such as mountain building, beach erosion, land subsidence, and continental drift;. - PowerPoint PPT PresentationTRANSCRIPT
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Origins of Landforms
Overview of Materials for Landform Activities
Landform Activity
Demos that Accompany this PPT
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Origins of Landforms
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TEKS 8.14 (A)
predict land features resulting from gradual changes such as mountain building, beach erosion, land subsidence, and continental drift;
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Learning Objectives
Identify landforms
Explain the role of geological structures,
igneous activity, water, wind, and glaciers in
the origin of landforms
Explain how weathering, erosion,
subsidence, and uplifting create
landforms
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Major Types of Landforms
Mountains (volcano, fault block mountains)
Plains (coastal and interior plains)
Plateau (broad flat areas of land)
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Volcano and Fault Block Mountains
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Coastal and Interior Plains
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Plateau
Plateau in Albuquerque NM
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Landforms Origins
Geological structures
Glaciers
Igneous activity
Running water
Ground water
Wind
Waves and currents
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Geological Structures
This is how mountains, plains, plateaus, canyons, and mesas are formed
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Glaciers
This is how cirques, horns, tarns, finger lakes, U-shaped valleys, and hanging valleys are formed.
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Igneous Activity
This is how cinder, shield, and composite cone volcanoes, and calderas, are formed.
Arenal Volcano in Costa Rica
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Running Water
This is how alluvial fans, oxbow lakes, and meandering streams, are formed.
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Ground Water
This is how sinkholes and caves are formed.
Sinkhole at Chichen Itza, Mexico
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Wind
This is how dunes are formed.
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Waves and Currents
This is how headlands, sea arches, sea cliffs and beaches.
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Demonstrate Formation of Syncline, Anticline, and Faults
ENGAGE
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Landform Models Activity
Explore
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Explain
What are the 3 major types of landforms?
Describe the origin of at least 5 landforms.
Predict the effect of weathering, erosion, and
subsidence on landforms.
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Elaborate
Landform Coloring Activity.
Create Edible landforms.
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Evaluate
For each of the following, indicate how the landform was created.
1.Sea cliff
2.Fault block mountain
3.Sea arch
4.Cirque
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Evaluate
For each of the following, indicate how the landform was created.
5.caldera
6.Oxbow lake
7.sinkhole
8.plateau
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Evaluate
For each of the following, indicate how the landform was created.
9. Alluvial Fans
10.volcano
11.caves
12.dunes
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Evaluate
For each of the following, indicate how the landform was created.
13. headlands
14.beach
15.Plains
16.Horn
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Credits
Coastal plains www3.csc.noaa.govGreat Plains www.worldofstock.comVolcano www.wahinesurfing.comFault block mountain geography.sierra.cc.ca.usGlaciation www.ufrsd.netAlluvian fans www.geog.le.ac.ukCaldera www.alanpalmer.org.ukMeandering stream muller.lbl.govDunes www.tripalbum.netSinkhole www.jopeyer.comCave www.utexas.eduSea arch http://gpc.edu/~pgore/Earth&Space/landforms.htmlHeadland mick-armitage.staff.shef.ac.ukSea cliff www.picturesofengland.comBeach www.aloha.com