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SEA FLOOR NOTES


CONTINENTAL MARGIN region of the sea floor that contains the shelf and slope

CONTINENTAL SHELF part of the continent that is underwater

CONTINENTAL SLOPE where water deepens abruptly and the edge of the continental land mass drops off

OCEAN BASIN FLOOR begins where the slop ends, region made up of mountains, ridges, trenches, valleys, rifts, guyots, abyssal plains, and canyons plateau

ABYSSAL PLAIN vast smooth areas on floor

TRENCHES cracks on the earth’s crust, deepest part of the oceans

GUYOTS flat topped volcanic mountains

RIFT a valley that runs along the center of a ridge

SEAMOUNT isolated mountain that rises more than 3000 ft. above the sea floor

MID-OCEAN RIDGE great undersea mountain ranges characterized by frequent earthquakes and volcanoes

ISLAND seamount that rises above the surface of the water


__% of the earth’s surface is covered with water

AB
CONTINENTAL MARGINregion of the sea floor that contains the shelf and slope
CONTINENTAL SHELFpart of the continent that is underwater
CONTINENTAL SLOPEwhere water deepens abruptly and the edge of the continental land mass drops off
OCEAN BASIN FLOORbegins where the slop ends, region made up of mountains, ridges, trenches, valleys, rifts, guyots, abyssal plains, and canyons plateau
ABYSSAL PLAINvast smooth areas on floor
TRENCHEScracks on the earth’s crust, deepest part of the oceans
GUYOTSflat topped volcanic mountains
RIFTa valley that runs along the center of a ridge
SEAMOUNTisolated mountain that rises more than 3000 ft. above the sea floor
MID-OCEAN RIDGEgreat undersea mountain ranges characterized by frequent earthquakes and volcanoes
ISLANDseamount that rises above the surface of the water
__% of the earth’s surface is covered with water75%


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