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science > oceans > Flashcards

oceans Flashcards

1
Q

Pacific ocean

A

largest and deepest ocean

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2
Q

Atlantic ocean

A

2nd largest, covers 20% percent of the worlds water

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3
Q

Indian ocean

A

3rd largest covers 19.8% of the worlds water

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4
Q

Arctic ocean

A

smallest and shallowest coldest ocean

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5
Q

Southern ocean

A

encircles antartica

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6
Q

Salinity

A

saltiness of a body of water

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7
Q

surface zone

A

sunlight zone top of water goes down about 200 meters

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8
Q

Thermocline

A

thin layer in the ocean where tempature changes rapidly

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9
Q

deep zone

A

4000 meters or lower in the ocean

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10
Q

water cycle

A

continues cycle of water

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11
Q

Evaporation

A

water changes from water to gas

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12
Q

Condensation

A

gas changes back to liquid

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13
Q

Precipitation

A

water vapour falls under graviy in a cloud

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14
Q

continental shelf

A

portion of the continent that is under water

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15
Q

continental slope

A

the slope between the continental shelf and deep ocean

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16
Q

continental rise

A

final stage between the land and the deepest part fo the ocean

17
Q

abyssal plain

A

inder water palain in the deepest part of the ocean floor

18
Q

mid-ocean ridge

A

sea floor system formed by plate tectonics

19
Q

rift valley

A

continous trenches

20
Q

Seamount

A

submarine mountain

21
Q

ocean trench

A

topographic depressions in the ocean floor

22
Q

Plankton

A

diverse collection of organims

23
Q

Nekton

A

aquatic animals that are able to swim and move independently of water currents.

24
Q

Benthos

A

flora and fluna found on the ocean floor

25
Q

desalination

A

is a process that takes away mineral components from saline water

science (12 decks)

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