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Oceans - Part 2 (SOL 5.6)

Review of Vocabulary Definitions.

AB
planktonplants and animals that drift and move by surface currents
nektonfree-swimming animals
benthosplants and animals that live on the ocean bottom
continental shelfthe underwater edge of a continent (is the gently sloping part of the continent covered by shallow ocean water)
continental slopethe steep slope leading down from the continental shelf toward the ocean floor (is the area that begins where the continental shelf suddenly drops)
continental risethe zone of sand and mud that stretches from the continental slope to the deep-sea floor
abyssal plainthe vast flat lands that cover the bottom of the deep, open ocean
rift zonessystems of cracks in the ocean floor through which magma rises
mid-ocean ridgesmountain chains that form along the rift zones
ventsopenings along the rift zones that let out very hot water
trencha deep narrow valley in the ocean floor
sonaran instrument that uses sound waves to locate objects in the water


Phenix PreK-8 School
Hampton, VA

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