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3 What is the continental shelf?TRANSCRIPT
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Ocean Floorfeatures
OceanMovement Waves
Marine lifeWild Card
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I am an extensionoff of the continental
crust.
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What is the continental shelf?
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Most sediment is found here.
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What is the abyssal plain?
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The connection from the continental shelf and the
abyssal plain
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What is the continental slope?
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I am deeper than Mount Everest is
tall.
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What is the Mariana trench?
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The majority of the oceans food is
found here.
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What is the continental shelf?
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When two crustal plates move apart.
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What is a divergent boundary?
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When two crustal plates move
together.
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What is convergent boundaries?
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I cause earthquakes in California.
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What is the San Andrea Fault?
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Lava comes up and forms new oceanic crust at a rate of 2.5
cm a year.
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What is the mid-ocean ridge?
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I am formed by the rivers coming from
the continent.
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What is an underwater
canyon?
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I cause the waves to move.
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What are water particles?
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The distance between the crest
of two waves.
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What is a wavelength?
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I am the amplitude squared.
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What is energy of a wave?
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The distance between a crest and
a trough.
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What is amplitude?
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The waves slow down and
eventually break.
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What is a breaker?
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Organisms that float with the
waves.
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What is plankton?
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I swim freely in the ocean.
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What is nekton?
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Marine life that lives on the bottom
of the ocean.
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What are benthos?
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Buoyancy is used for me to move.
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How does a nekton move?
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The beginning of the ocean food
chain.
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What is phytoplankton?
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An area of lava between the upper
mantle and the lower crust
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What is a hot spot?
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The largest mountain ranges on
earth.
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What is the mid-ocean ridge
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The oceanic crust sinks below the
continental crust.
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What is a subduction zone?
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The process of the ocean floor moving and magma
coming seeping up through the crack.
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What is sea-floor spreading?
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A ring of volcano’s that surround the
Pacific Plate
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What is the “Ring of Fire?”