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Ocean Currents and Climate Flashcards | StudBud
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Ocean Currents and Climate
Ocean Currents and Climate
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1
The Gulf Stream is an example of what type of current?
Cold deep ocean current.
Warm surface ocean current.
Warm deep ocean current.
Cold surface ocean current.
2
Surface ocean currents are controlled by:
global winds, Coriolis Effect, and continental deflections.
differences in temperature and salinity
density and global winds.
the gravitational pull of the moon.
3
Differences in water temperature in the ocean create movement because –
as water heats up, the atoms of water move faster.
warm and cold water mix and reach the same temperature.
bodies of water at different temperatures have different densities.
warm water is pulled more by gravity than cold water.
4
The effect of Earth's rotation on the direction of winds and currents.
Density
Coriolis Effect
Spin of the earth
Tropics
5
Gyres spin counter clockwise in the Northern Hemisphere
True
False
6
Land Breeze happens during the night time.
False
True
7
Light from the Sun strikes Earth with different intensities in different locations. This is because of -
The rotation of the earth
Some areas absorb heat better
The angle the lights strikes
Closer to the sun
8
What is a continental deflection?
Water hits a land area causing surface currents to change.
Water hits land and continues on to the next water source.
Water hits a land area and causes deep currents to change.
Water hits a land area but does not affect surface currents.
9
Sea Breezes go from an area of low pressure to an area of high pressure.
True
False
10
Climate can be changed in a few years
False
True
11
What causes Sea and Land Breezes?
Ocean Density
Wind
Coriolis Effect
Unequal Heating of the Earth
12
The hottest place on earth that gets direct sunlight
Washington
sub tropics
poles
equator
13
Ocean currents can be split into two categories:
Atlantic & Pacific
Density & Wind
Fast & Slow
Surface & Deep
14
Winds and currents move in curved paths because of:
the Coriolis Effect.
the gravitational pull of the moon.
the Earth's magnetic field.
longshore drift.
15
What causes deep ocean currents to occur?
They are driven by winds, Coriolis effect & deflections
They are driven by density and the Coriolis effect
They are driven by changes in density
They are driven by continental deflections
16
The movement of cold water upward from the deep ocean is:
deep current
upwelling
downwelling
surface current
17
The amount of salt in water
Density
Sodium Chloride
Salinity
Salty
18
Warm and cold water is carried around the world by:
El Nino
salinity
upwelling
currents
19
A liquid at higher temperature is more dense than a liquid at lower temperature.
True
False
20
when surface currents meet continents, the currents are deflected and change direction
Continental Deflection
Redirection
Blockade
Gyres
21
What type of climate might a coastal area have if nearby currents are cold?
A cooler climate.
A warm, dry climate.
A warm, more humid climate.
The climate would not be affected.
22
During an El Nino event, upwelling is prevented from occurring.
False
True
23
The features that change the general trend of ocean water movement into the actual pattern we see?
continents and wind
earths rotation, wind, continents
gravitational pull of moon and sun
global patterns of fishing and sailing
24
What is an ocean current?
a sudden surge of water in a cirular path
a measure of electricity discovered by Richard Ocean
a stream-like movement of water
a form of money used for trading overseas
25
Condition of the air in the atmosphere in a given place.
Precipitation
Air Testing
Climate
Weather
26
Density of deep ocean water is affected by:
the presence of whales and other large animals
Spongebob
temperature and salinity
the ozone layer
27
How do oceans influence weather and climate?
Oceans cause winds to move by the motion of strong currents.
Oceans’ waves continually generate heat through wave action.
Oceans absorb the energy of the sun, store it, and release it.
Oceans reflect the sun’s energy back through the atmosphere into space.
28
In what climate zone would we find the most ocean water rising to the surface?
Polar
Temperate
Sub Tropics
Tropics
29
The California Current:
brings cold water from the north Pacific to Mexico.
is a water flow moving east to west across California.
brings warm water from the equator to the California coast.
brings big waves to beaches for optimal surfing conditions.
30
An increase of freshwater into our oceans will decrease
Evaporation
Salinity
Temperature
Wind Speeds
31
Climate is the pattern of the movement of water typical of an area over a long period of time.
False
True
32
Movement of Ocean water in a specific pattern
North Pole
Ocean Currents
Deep current
Surface Current
33
What two things can increase salinity in the ocean?
Evaporation and Ice Formation
Evaporation and Temp
Temp and Ice formation
Density and ice
34
Current below water's surface caused by difference in density of water.
Deep ocean current
Surface current
gyre
convection current
35
A liquid with higher salinity is more dense than a liquid with lower salinity.
True
False
36
Ocean current that moves water horizontally, and moves only the upper few hundred meters of seawater.
Deep ocean current
upwelling
gyres
Surface Current
37
What two things impact density of deep ocean currents?
Temp. and Location
Temp. and Salinity
Density
Ice and temperature
