Oceans Flashcards

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1
Q

Salinity

A

A measure of salt dissolved in water

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2
Q

surface zone

A

The top layer of the water that gets the most sunlight goes 656 feet down

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3
Q

Thermocline

A

Where the water temperature significantly decreases

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4
Q

deep zone

A

lowest layer in the ocean

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5
Q

water cycle

A

water precipitation evaporating and condensation.

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6
Q

Evaporation

A

water turning onto steam rising to form a cloud

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7
Q

Condensation

A

clouds

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8
Q

Precipitation

A

clouds turning back to water after becoming too heavy or dense

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9
Q

continental shelf

A

a part of a continent that is submerged in shallow water and where it ends gets significantly deeper

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10
Q

continental slope

A

shallow water found in proximity to a continent

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11
Q

continental rise

A

Final stage in the boundary between continents the deepest part of the ocean

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12
Q

abyssal plain

A

plains on the deep ocean floor

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13
Q

mid-ocean ridge

A

underwater mountain system

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14
Q

rift valley

A

a linear shaped lowlands between several highlands

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15
Q

Seamount

A

an underwater mountain rising from the seafloor but not reaching the surface

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16
Q

ocean trench

A

deep topographic depressions on the ocean sea floor

17
Q

Plankton

A

A small aquatic organisms

18
Q

Nekton

A

an aggregate of actively swimming organisms

19
Q

Benthos

A

a community of organisms that live on or near the sea floor

20
Q

desalination

A

the removal of salts and other minerals from a substance

21
Q

Pacific ocean

A

largest and deepest ocean

22
Q

Atlantic ocean

A

covers 20% of the earths surface

23
Q

Indian ocean

A

third largest ocean

24
Q

Arctic ocean

A

the smallest and the shallowest of the oceans

25
Q

Southern ocean

A

circles Antarctica