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Ocean Currents
Test Description: Ocean currents
Instructions: Answer all questions to get your test result.
1) Earth's rotation causes wind and water to curve. This is called the
A
Coriolis Effect
B
Hurricane Effect
C
Earth Effect
D
Ocean Effect
2) Which direction do air currents and ocean currents flow in the Northern Hemisphere?
A
clockwise
B
south to north
C
north to south
D
counter clockwise
3) The two types of ocean currents are
A
land and sea
B
surface and deep
C
local and global
D
Thermo and haline
4) What factors affect the density of ocean water?
A
pollution and pH
B
temperature and turbidity
C
sunlight and wind
D
temperature and salinity
5) How does solar energy heat the Earth
A
energy transform into the auroras
B
atmosphere reflects the energy back into space
C
land and water absorb the energy
D
polar ice caps reflect the energy
6) What is the name of the surface current that brings warm air to moderate Great Britain's climate?
A
Great Britain Current
B
Gulf Stream
C
California Current
D
English Current
7) Which statement is true?
A
cold salty water is more dense
B
cold fresh water is more dense
C
warm salty water is more dense
D
warm fresh water is more dense
8) What factors affect surface currents the most?
A
density and salinity
B
temperature and salinity
C
density and coriolis effect
D
coriolis effect and wind
9) The ocean current that brings cold, nutrient rich water to the surface for plankton.
A
downwelling
B
gulf stream
C
el nino
D
upwelling
10) How do continents and land masses affect ocean currents.
A
they make then turn around
B
they absorb them
C
they do not affect ocean currents at all
D
they change their direction
*select an answer for all questions
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