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Ocean Currents Review Flashcards | StudBud

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Ocean Currents Review

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Questions 14

Answers

1
Which statement best describes the gulf stream?
brings warm water from the tropics northward.
brings warm water south
causes upwelling along the east coast
2
Roughly what portion of Earth is covered by the Ocean?
33%
50%
2%
70%
3
What direction do Gyres rotate in the Northern Hemisphere?
Counter Clockwise
Gyres don't rotate
Clockwise
4
Upwelling in Peru is caused by what factors?
sea level rising
downwelling
El Nino event
prevailing winds along the coast push water up
5
What drives surface currents in the ocean?
density
The coriolis effect
Prevailing winds
6
Why are ocean surface temperatures at the equator warmer than the poles?
Circulation of air
Earth's rotation
The earth spherical shape
A wizard who lives at the equator
7
Cold and High Salinity creates the highest density of water
True
False
8
What direction do Gyres rotate in the Southern Hemisphere?
Clockwise
Gyres don't rotate
Counter Clockwise
9
What causes Gyres to rotate?
density
Earth's magnetic field
gravitational pull on the moon
The coriolis effect
10
What causes deep ocean currents?
density differences
sharks
prevailing winds
the coriolis effect
11
How can ocean water become more dense?
all of the above
freezing of water
cooling of water
wind causing evaporation
12
What factors influence the flow of ocean currents?
The position of the continents
gravity
oceanic mountains
all of the above
13
What is the global conveyer belt?
Connects all water of all earth's oceans
shows how water can only move in the atlantic ocean
includes only deep water currents
moves luggage around the world
14
What two factors influence ocean density?
temperature and salinity
sharks and whales
mass and volume
prevailing winds and coriolis effect