Worksheetsocean currents
Total questions: 14
Worksheet time: 8mins
Name
Class
Date
1.
What affects the density of water?
a)
Salt
b)
Temperature
c)
The seasons of the year
d)
Both A and B
2.
Two types of ocean currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
3.
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
4.
Surface currents are mainly caused by
a)
The Coriolis Effect
b)
Cold and Warm Water
c)
Convection
d)
Wind
5.
Regular movements of water far below the oceans surface are called
a)
Warm Currents
b)
Deep Currents
c)
Shallow Currents
d)
Surface Currents
6.
What causes ocean currents in the Northern Hemisphere to curve to the right?
a)
Earth's orbit around the Sun
b)
Earth's spinning on its axis
c)
Earth's magnetic field
d)
Earth's force of gravity
7.
What causes vertical ocean currents?
a)
The phase of the moon.
b)
The gravitational attraction of the sun
c)
Commercial boating activities.
d)
The temperature and salinity of ocean water
8.
Where is ocean water the densest.
a)
The surface
b)
The middle
c)
The bottom
d)
Lake Michigan
9.
As you go deeper in the ocean, the water is colder and less salty.
a)
True
b)
False
10.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
11.
Why are surface currents at the surface of the ocean?
a)
colder temperature
b)
colder temperature & more salinty
c)
warmer temperature & less salinty
d)
less salinty
12.
The warm, strong current off the coast of Florida is the
a)
Gulf Stream
b)
California Current
c)
North Equatorial Current
d)
Brazil Current
13.
Ocean currents bring warm water from the equator towards Earth's
a)
Southern Hemisphere
b)
Continents
c)
Equator
d)
Poles
14.
Salinity is
a)
The salt content of a substance
b)
The Pepper content of a substance
c)
The circulation of hot and cold matter
d)
the weather pattern of a region
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