Ocean

Front 1

Sonar

Back 1

A divice that determines the distance of an object that is underwater by recording echoes of sound waves

Front 2

Food web

Back 2

The feeding relationship in a habitat

Front 3

Abyssal plain

Back 3

A smooth, nearly flat region of the deep ocean floor and is made up by remains of dead animals

Front 4

Aquaculture

Back 4

The farming of saltwater and freshwater organisms

Front 5

Atoll

Back 5

A ring- shaped coral reef that surronds a shallow lagoon

Front 6

Benthos

Back 6

organisms that live on the bottom of the ocean floor that can move to point a to point b but can not swim in the open ocean

Front 7

Bioluminescence

Back 7

The production of light by living things

Front 8

Continental shelf

Back 8

A gently sloping, shallow area of the ocean floor that extends outward from the edge of the continent

Front 9

Continental slope

Back 9

A steep incline of the ocean floor leading down from the edge of the continental shelf

Front 10

Coral reef

Back 10

A structure of calcite skeletons that build up by coral animals in warm, shallow ocean water

Front 11

estuary

Back 11

A coastal inlet or bay where fresh water from rivers mixes in with salty ocean water

Front 12

hydrothermal vent

Back 12

A area where ocean water sinks through cracks and is reheated by underlying magma, and rises up through cracks

Front 13

nekton

Back 13

Free swimming animals that can move throughout the water column

Front 14

nodule

Back 14

A lump on the ocean floor that forms when metals such as manganese builds up around pieces of shell

Front 15

Oceanographer

Back 15

A scientist who studies Earth's oceans

Front 16

Open ocean zone

Back 16

The deepest darkest area of the ocean beyond the continental shelf

Front 17

Plankton

Back 17

Tiny algae that and animals that float in the water and are carried by waves and currents

Front 18

Salinity

Back 18

The total amount of dissolved salts in a water sample

Front 19

Submersible

Back 19

A underwater vehicle that is built with strong materials to resist pressure

Front 20

Trench

Back 20

A deep, steep sided canyon in the ocean floor

Front 21

upwelling

Back 21

The movement of cold water upward from the deep ocean that is caused by wind

Front 22

Kelp forest

Back 22

Are found in cold neritic waters and they float standing straight because of air bladders