Ocean Vocab

Front 1

Hydorthermal Vents

Back 1

An area where ocean water sinks through cracks in the ocean flood ,is heated by the underlying magma,and rises again through the cracks .

Front 2

Upwelling

Back 2

An upward flow of cold water from the ocean depths .

Front 3

Neritic Zone

Back 3

The part of the ocean that extends from the low-tide out to the edge of the continental shelf.

Front 4

Open Ocean Zone

Back 4

The area of the ocean beyond the edge of the continental shelf .

Front 5

Plankton

Back 5

Tiny algae and animals that float in water are carried by wave and currents.

Front 6

Nekton

Back 6

Free-swimming animals that can move throughout the water column .

Front 7

Benthos

Back 7

Organisms that live on the bottom of the ocean or other body of water .

Front 8

Inertial Zone

Back 8

The area that stretches from the highest high-tide line on land out to the point on the continental shelf exposed by the lowest low tide.

Front 9

Sonar

Back 9

A system that uses sound waves to calculate the distance to an object .

Front 10

Aquaculture

Back 10

The farming of saltwater and freshwater organisms .

Front 11

Estuary

Back 11

A costal inlet or bay where fresh water from rivers mixes with salty ocean water .

Front 12

Surface Zone

Back 12

Extends as far as sunlight reach below the surface ;it is the only part of the open ocean that receives enough sunlight for the growth of algae

Front 13

Deep Ocean Zone

Back 13

Being where the sunlight no longer reaches the water (at the end of the surface zone ); it is drak and cold .

Front 14

Surface Currents

Back 14

Is a large a stream of moving water at the surface that flows through the ocean ;are mainly driven by wind .

Front 15

Biosphere

Back 15

The part of the earth crust,water and atmosphere that support life .