Ocean Currents
Quiz by Cohen, Julie
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- Q1
Cold water currents
move water from the equator to the poles
flow along the equator
only rotate counter clockwise
move water from the poles to the equator
45s - Q2
What causes wind?
differences in gravity
differences in temperature
differences in precipitation
differences in the Earth's rotation
45s - Q3
Surface currents are caused by
the equator
the wind
density
warm water
45s - Q4
What affects the direction of a surface current?
Coriolis Effect, density, evaporation
Coriolis Effect, Gravity, global winds
Coriolis Effect, continental deflection, global winds
30s - Q5
As water gets denser, how does it move?
rises
gets pushed toward poles
sinks downward
gets pushed away from equator
45s - Q6
Which currents carry water away from the equator?
deep currents
warm surface currents
cold surface currents
45s - Q7
The Gulf stream carries warm water to the North Atlantic Ocean, which contributes to
a mild climate for coastal Europe
global warming
a harsh summer for coastal Europe
45s - Q8
Southern California has cooler temperatures than Arizona, which is at the same latitude, but farther inland. What causes this temperature difference?
winds formed high in the California mountains
a cold-water surface current off California's coast.
Polar air sinking from the arctic glaciers.
a warm-water surface current off California's current
45s - Q9
How do warm water currents affect the coastal areas along which they flow?
They make coastal climate cooler than inland climate.
They create greater rainfall along the coast.
They create unusally cool climatees for the latitude.
They create usually warn climates for the latitude
45s - Q10
Cold water currents are most likely to be located at deeper ocean depths than warm water currents because
cold water is more dense and sinks.
ocean tides force cold water downward.
cold water has less salt to help it freeze and sink
winds push cold water downward.
45s - Q11
Deep currents form when
the ocean surface freezes and solids from the water underneath are removed.
cold air decreases water density.
salinity increases.
warm air increases water density.
45s - Q12
The energy that drives the wind originally comes from
the sun.
fast air.
gravity.
the ocean.
45s - Q13
How is wind created?
differences in elevation on Earth's surface
gravity differences around the world
uneven heating of Earth's surface
rotation of Earth on its axis
45s - Q14
Why does warm air rise and cold air sink?
because warm air has less volume than cold air.
because warm air is denser than cold air.
because warm air is less dense than cold air.
45s - Q15
The horizontal movement of ocean water near or at the surface, caused by wind is called
a deep current
a fast current
a continental deflection
a surface current
45s
