chapter 1: earth's changing surface
TRANSCRIPT
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E ARTH·S CHANGING
SURFACEChapter 1 Lesson 1
Textbook pages 10-21
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WORDS TO KNOW
Crust
Mountain
Hill
Valley Plateau
Plain
Canyon
Sand dune Delta
Topographic map
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DOES THE E ARTH CHANGE QUICKLY OR
SLOWLY ?
Both.
y Earth changes quickly from volcanoes, earthquakes,
floods, and hurricanes, just to name a few things.
y
Earth changes slowly from weathering and erosion.
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THE E ARTH
What is the earth made of?
Inner corey Solid
Outer corey Liquid metal
Mantley Solid rock
Crusty Where we live
We·ll start off by talkingabout the Earth·s crust.
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THE CRUST - L ANDFORMS
mountains hills
valleys
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L ANDFORMS, CONT.
canyons
plateaus plain
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OTHER L ANDFORMS
sand dunes
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MORE LANDFORMS
delta
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A ND EVEN MORE LANDFORMS
glacier
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COASTAL FEATURES
sand dunes�Coastal Plain
�Beaches
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Continental Margin off the coast of theNortheastern United States
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CONTINENTAL M ARGIN
The continental margin extends from the shore (coast) tothe deep ocean floor. It has three parts.
y Continental Shelf
y Continental Slope
y Continental Rise
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TRAVELING ACROSS THE OCEAN FLOOR
If you were able to walk along the ocean floor fromone continent to another, what parts of theseafloor would you pass over, in order?
y Continental shelf y Continental slope
y Continental rise
y Ocean floor/abyssal plain
y Continental rise
y Continental slope
y Continental shelf
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OCEAN FLOOR FEATURES
y The ocean floor has canyons, mountains, plains, and guyots.
y The deep ocean floor is called the abyssal plain and is home tosome really cool animals.
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LINKS FOR MORE INFORMATION
Georgia landforms
http://www.wacona.com/promote/galandforms/index.h
tm
Volcanoeshttp://volcano.oregonstate.edu/