ocean vocabulary Flashcards

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1
Q

Pacific ocean

A

The Pacific Ocean is the largest and deepest of Earth’s five oceanic divisions

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2
Q

Atlantic ocean

A

The Atlantic Ocean is the second-largest of the world’s five oceans,

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3
Q

Indian ocean

A

The Indian Ocean is the third-largest of the world’s five oceanic divisions

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4
Q

Arctic ocean

A

The Arctic Ocean is the smallest and shallowest of the world’s five major oceans.

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5
Q

Southern ocean

A

The Southern Ocean, also known as the Antarctic Ocean

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6
Q

Salinity

A

he concentrations of salts in water or soils

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7
Q

surface zone

A

a the uppermost level of the land or sea.

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8
Q

Thermocline

A

A thermocline is a thin but distinct layer in a large body of fluid

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9
Q

deep zone

A

extend from the surface to the most extreme depths where light can no longer penetrate.

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10
Q

water cycle

A

shows the continuous movement of water within the Earth and atmosphere.

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11
Q

Evaporation

A

the process by which water changes from a liquid to a gas or vapor.

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12
Q

Condensation

A

Condensation is the change of the state of matter from the gas phase into the liquid phase,

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13
Q

Precipitation

A

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds.

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14
Q

continental shelf

A

a portion of a continent that is submerged under an area of relatively shallow water known as a shelf sea

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15
Q

continental slope

A

A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water known as a shelf sea.

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16
Q

continental rise

A

a wide, gentle incline from a deep ocean plain (abyssal plain) to a continental slope

17
Q

abyssal plain

A

a flat region of the ocean floor, usually at the base of a continental rise, where slope is less than 1:1000.

18
Q

mid-ocean ridge

A

a seafloor mountain system formed by plate tectonics.

19
Q

rift valley

A

a lowland region that forms where Earth’s tectonic plates move apart, or rift.

20
Q

Seamount

A

an underwater mountain formed by volcanic activity

21
Q

ocean trench

A

Oceanic trenches are prominent long, narrow topographic depressions of the ocean floor.

22
Q

Plankton

A

marine drifters — organisms carried along by tides and currents.

23
Q

Nekton

A

living organisms that are able to swim and move independently of currents.

24
Q

Benthos

A

the assemblage of organisms inhabiting the seafloor

25
Q

desalination

A

the process of removing salts or other minerals and contaminants from seawater, brackish water, and wastewater effluent