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WorksheetsOcean Currents
Total questions: 25
Worksheet time: 14mins
Name
Class
Date
1.
Water in the ocean is always
a)
Moving
b)
Still
c)
Warming up
d)
Cooling down
2.
Air moves from _______ pressure to _______ pressure.
a)
Low, High
b)
High, Low
c)
Warm, Cold
d)
Cold, Warm
3.
Cold air is ________ than warm air.
a)
Less dense
b)
Lighter
c)
More dense
d)
more energetic
4.
What causes wind to blow?
a)
Animal movement
b)
Similar air temperatures
c)
A giant blowing out candles
d)
Differences in air temperature
5.
Air travels in patterns around the Earth called
a)
Global Winds
b)
Local Winds
c)
Ocean Winds
d)
Blowing Winds
6.
Water travels in definite paths around the ocean called
a)
Highways
b)
Currents
c)
Rivers
d)
Streams
7.
Currents that occur at or near the surface of the ocean are called
a)
Deep Currents
b)
Convection Currents
c)
Surface Currents
d)
Wave Currents
8.
Surface currents are mainly caused by
a)
The Coriolis Effect
b)
Cold and Warm Water
c)
Convection
d)
Wind
9.
The warm, strong current off the coast of Florida is the
a)
Gulf Stream
b)
California Current
c)
North Equatorial Current
d)
Brazil Current
10.
When a current bounces off a continent and changes direction, this is called
a)
Global Winds
b)
Deflection
c)
The Coriolis Effect
d)
Redirection
11.
The deflection of currents due to Earth's rotation is called the
a)
Rotation Effect
b)
Current Effect
c)
Coriolis Effect
d)
Deflection Effect
12.
The Coriolis Effect changes a currents path due to Earth's
a)
Winds
b)
Cooling
c)
Heating
d)
Rotation
13.
Winds cause surface currents and winds are created by the
a)
Sun
b)
Moon
c)
Tides
d)
Coriolis Effect
14.
Regular movements of water far below the oceans surface are called
a)
Warm Currents
b)
Deep Currents
c)
Shallow Currents
d)
Surface Currents
15.
Warm water is ________ dense and _________ than cold water
a)
More, Heavier
b)
Less, Heavier
c)
Less, Lighter
d)
More, Lighter
16.
Surface currents and deep currents join together to make a
a)
Deep Sea Current
b)
Warm Current
c)
Cold Current
d)
Convection Current
17.
What is the process where cold, deep water rises to the surface with nutrients?
a)
Upwelling
b)
Downwelling
c)
Swelling
d)
Tides
18.
Upwelling provides _________ for many sea organisms.
a)
Water
b)
Nutrients
c)
Air
d)
Heat
19.
Ocean currents move energy in the form of
a)
Salt
b)
Water
c)
Heat
d)
Oxygen
20.
Ocean currents bring warm water from the equator towards Earth's
a)
Southern Hemisphere
b)
Continents
c)
Equator
d)
Poles
21.
Currents release heat energy and this can affect an area's
a)
Oxygen
b)
Climate
c)
Upwelling
d)
Sunlight
22.
Ocean currents transport heat energy and ________ throughout the world.
a)
Air
b)
Sunlight
c)
Matter
d)
Fresh Water
23.
What do ocean currents move around the world?
a)
Gases
b)
Nutrients
c)
Heat Energy
d)
All of these
24.
Deep currents are formed mainly by
a)
Differences in water temperature
b)
Wind
c)
The Coriolis Effect
d)
Gases in the water
25.
What causes surface currents north and south of the equator to move in different directions?
a)
Gases in the ocean
b)
The rotation of the Earth
c)
Temperature differences
d)
Continental deflection
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