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8 Sci Oceanography

8th Grade Science Oceanography Vocabulary

QuestionAnswer
CONTINENTAL SHELF GRADUALLY SLOPING END OF A CONTINENT, EXTENDING UNDER THE OCEAN
CONTINENTAL SLOPE FROM THE END OF THE CONTINENTAL SHELF, SLOPING STEEPLY TO THE OCEAN FLOOR
ABYSSAL PLAIN FLAT AREA OF THE SEAFLOOR, FORMED BY DEPOSITS OF SEDIMENT BY OCEAN CURRENTS.
MID-OCEAN RIDGE UNDERWATER MOUNTAIN CHAIN WHERE NEW OCEAN FLOOR IS FORMED BY RISING MAGMA.
RIFT CRACK IN THE SEAFLOOR WHERE MAGMA RISES, COOLS, HARDENS, AND FORMS NEW SEAFLOOR.
SEAMOUNT INACTIVE VOLCANIC CONES FOUND ON THE OCEAN FLOOR.
VOLCANIC ISLANDS SEAMOUNTS THAT EXTEND UP OUT OF THE OCEAN.
OCEAN TRENCH LONG, NARROW, STEEP-SIDED DEPRESSION IN THE OCEAN FLOOR WHERE ONE CRUSTAL PLACE IS FORCED BENEATH ANOTHER. THE DEEPEST AND MOST GEOLOGICALLY ACTIVE PLACES ON EARTH.
PLACER DEPOSITS HEAVIER MINERAL GRAINS, BROUGHT TO THE OCEAN BY RIVERS, WHICH SINK TO THE OCEAN FLOOR.
PHOTOSYNTHESIS PROCESS BY WHICH CHLOROPHYLL ABSORBS LIGHT, COMBINES WITH CARBON DIOXIDE AND WATER TO MAKE FOOD.
PRODUCERS ORGANISMS THAT MAKE THEIR OWN FOOD BY PHOTOSYNTHESIS.
CONSUMERS ORGANISMS THAT FEEDS ON PLANTS AND OTHER ANIMALS.
CHEMOSYNTHESIS PROCESS OF USING SULFUR, IRON, OR NITROGEN TO PRODUCE FOOD.
PLANKTON TINY MARINE ALGAE AND ANIMALS THAT DRIFT WITH CURRENTS.
NEKTON ACTIVELY SWIMMING OCEAN ANIMALS.
BENTHOS PLANTS AND ANIMALS LIVING ON THE OCEAN BOTTOM.
CORAL REEF RIGID, WAVE-RESISTANT STRUCTURE BUILT FROM SKELETAL MATERIALS AND CALCIUM CARBONATE.
INTERTIDAL ZONE AREA OF SHORELINE BETWEEN HIGH TIDE AND LOW TIDE.
NERITIC ZONE WATER THAT COVERS THE CONTINENTAL SHELF.
OCEANIC ZONE WATER PAST THE CONTINENTAL SHELF TO THE DEEPEST PARTS OF THE OCEAN.
Created by: smurray817
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