CHMS 6th grade Science- Oceanography – Flashcards
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salinity
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saltiness of ocean water
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subsurface currents
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ocean currents that flow below the surface of the water
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surface currents
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ocean currents flowing through the top of the water; usually caused by wind
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ocean currents
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the flow of water within the ocean that move in a regular pattern
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Coriolis effect
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the effect of Earth's rotation on the direction of winds and currents
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continental margin
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The shallow sea floor that is located between the shoreline and the deep-ocean bottom
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continental shelf
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the shallow sea area bordering the continents
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continental slope
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the edge of the continental shelf that extends steeply downward to the ocean floor
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submarine canyons
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steep sided valley on the sea floor of the continental slope.
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passive margin
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a continental margin that does not occur along a plate boundary
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active margin
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a continental margin with plate boundaries near it
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deep sea trenches
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long, deep, narrow areas in the ocean floor
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mid-ocean ridges
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long mountain ranges that are in the ocean
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abyssal plain
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flattest section of the ocean floor
