WorksheetsOcean currents
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
______ causes surface currents.
a)
The Coriolis Effect
b)
gravity
c)
density differences
d)
wind
2.
_______ causes the Coriolis Effect
a)
Earth's rotation
b)
gravity
c)
wind
d)
density
3.
There are (is) _______ major gyres in each ocean.
a)
1
b)
2
c)
3
d)
4
4.
Gyres in the southern hemisphere are surface currents that turn _________ due to the Coriolis Effect.
a)
clockwise
b)
counterclockwise
c)
toward the right
d)
toward the bottom of the ocean
5.
Currents that are far beneath the surface
a)
deep ocean currents
b)
surface currents
c)
current
d)
global winds
6.
Temperatures affect deep ocean currents.
a)
true
b)
false
7.
Currents in the Northern Hemisphere move in this direction
a)
clockwise
b)
counter-clockwise
c)
stright
8.
Movements of ocean water in a continuous flow are called?
a)
ocean currents
b)
global winds
c)
air mass
d)
front
9.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
10.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
11.
Ocean currents have an affect on which two things
a)
climate and weather
b)
temperature and density
c)
land and sea
d)
equator and poles
12.
The large, circular surface-current pattern found in each ocean.
a)
California Current
b)
Surface Current
c)
Gyre
d)
Global Conveyor Belt
13.
What is the benefit of upwelling?
a)
There are no benefits.
b)
It brings nutrient rich water to the surface.
c)
It helps fish swim.
d)
It helps mix the salt in the ocean.
14.
What forces influence gyre circulation? Mark all that apply.
a)
global winds
b)
Coriolis Effect
c)
amount of salt
d)
color of the water
e)
topography
15.
What year did the ducks fall overboard?
a)
2002
b)
1987
c)
1992
d)
2019
e)
1996
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