Oceanography Unit 5.6 Vocabulary – Flashcards

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salinity
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the amount of dissolved salts in ocean water
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dissolve
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to thoroughly mix with and disappear into another substance
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"the Bends"
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a condition that affects scuba divers because of water pressure that can cause rashes, bubbles in the blood, and even death
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temperature
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a measure of the average kinetic energy of a group of particles or matter
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water pressure
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the weight of the water pressing down on something
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density
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the amount of matter in a given volume; how thick and heavy something is
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marine
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relating to the ocean
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sonar
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the use of sound waves to detect underwater objects and landforms
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submersible
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any deep sea diving vehicle
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mid-ocean ridge
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a chain of underwater mountains
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ocean floor
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continental shelf, continental edge, continental slope, continental rise,
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continental shelf
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the sloping shelf of land that consists of the edges of the continents under the water (what you walk out onto at the beach)
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continental rise
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the lower portion of the continental slope that extends to the ocean floor
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continental slope
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the steep cliff-like drop from the continental edge to the rise
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continental edge
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the point at which the shelf begins to angle sharply downward
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abyssal plain
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the flat, broad, sandy ocean bottom
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trench
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a deep underwater canyon
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seamount
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an underwater mountain
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tsunami
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huge wave caused by an underwater earthquake
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currents
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a stream of water that flows like a river through the ocean
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tides
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the repeated rise and fall in the level of the ocean
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upwelling
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the rising of colder deep water to the surface that occurs when winds move surface water
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Gulf Stream
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a surface current that carries warm water to a cold region
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waves
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up and down movements of surface water
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oceanography
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the study of the ocean
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