a warm surface current about 50 miles wide and 2600-2900 feet deep that originates off the tip of Florida, up to Cape Hatteras, and then sweeps across the North Atlantic toward Europe

a deep depression in the earth's surface where the oceans are contained

regular and predictable movements of water in the oceans

the study of the earth's oceans

a strong, usually narrow surface current flowing outward from a shore that results from the return flow of waves and wind-driven water

underwater volcanic mountains that rise more than 3200 feet above the sea floor

large streams of ocean water that flows at or below the surface; movements are created by winds or differences in density

huge chunks of floating glacial ice

a circular path that currents make because of the earth's rotation

a revolutionary submersible design invented by Auguste Piccard

an upward-flowing current

the outer edge of a glacier that floats on the ocean's surface and is formed before a glacier breaking up

the name of a cold current that flows northward along the western coast of South America; approximately 560 miles wide

huge muddy valleys that cut through portions of the abyssal plains

weaker-than-normal tides that occur twice a month, halfway between the spring tides

the name of the ice shelf in the Antarctic that covers an area about the size of France

the name of a warm Pacific current that appears and flows southward along the coast of Ecuador every year

the name of the first undersea laboratory set up off the coast of France in 1962

a tide that is higher than normal at high tide and lower than normal at low tide; occurs twice a month at the new moon and full moon

the last names of the two men who invented the "self-contained underwater breathing apparatus" (originally called the aqualung)