dynamic earth ch.3 nc updated
TRANSCRIPT
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Plate tectonics
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Midocean ridge is an example of this type of fault?
Transform Fault
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More dense crust is pushed under less dense crust.
Subduction
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Topmost part of the Earth
Lithosphere
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Plate boundaries that come together.
Convergent boundaries
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Movement of air within the atmosphere due to density.
Convection Currents
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The Ring of Fire is around the boundary of this plate?
Pacific Plate
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The theory that links continental drift and ocean-floor spreading together.
Plate Tectonics
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Supporting evidence for ocean-floor spreading.
Magnetic striping
Rock aging
Cores from deep-sea drilling
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Plate boundary where one plate slides past one another plate.
Strike-slip boundary
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What is the V-shaped valley?
Trenches
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World’s largest mountain chain is located here
Midocean Ridges
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Alfred Wegener’s theory.
Theory of Continental Drift
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Plate boundaries that move apart.
Divergent boundaries
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Used to map midocean ridges.
Sonar
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Means all of Earth.
Pangaea
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Provides the framework for understanding landforms.
Theory of Plate Tectonics
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When two continental plates collide with the same density, ______ plates
is subducted.
Neither
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Went against many geological basic principles.
Theory of Continental Drift
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Rocks deposited by ______ showed evidence of continental drift.
Glaciers
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________ records showed evidence that Pangaea existed.
Fossil
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Name the Lithospheric plates.
North American
South American
Eurasian
African
Indo-Australian
Antarctic