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WorksheetsOceanography Earth Science
Total questions: 15
Worksheet time: 10mins
Name
Class
Date
1.
Deep Ocean currents are a result of
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Density
d)
All of the above
2.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Gravity
3.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
4.
Two types of water currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
5.
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
6.
As you go deeper in the ocean, the water is colder and less salty.
a)
True
b)
False
7.
Sunlight strikes this planet most directly at the_____________.
a)
mesosphere
b)
tundra
c)
equator
d)
south pole
8.
Compared with surface currents, deep currents are
a)
colder and less dense.
b)
warmer and less dense.
c)
warmer and denser.
d)
colder and denser.
9.
Which of the following causes water from deep currents to rise to the surface to replace warm currents?
a)
evaporation
b)
freezing of the surface of the water
c)
upwelling
d)
squeezing solids out of the ice down into the water below
10.
The process of deep, nutrient-rich water moving upward to replace surface water that has blown farther offshore is called ___.
a)
downwelling
b)
upwelling
c)
rip current
d)
longshore current
11.
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?
a)
the Gulf Stream
b)
the Jet Stream
c)
La Nina
d)
El Nino
12.
Upwelling along the western Pacific creates:
a)
Smaller food webs
b)
Poor fishing conditions
c)
Productive oceans
13.
The curving of air to the right in the Northern hemisphere is caused by ___________ and is called the _________ effect.
a)
Earth's rotation...Coriolis
b)
Earth's revolution...Coriolis
c)
Earth's rotation...Doppler
d)
Earth's revolution...Doppler
14.
Temperature and salinity affect the ______ of water.
a)
none of the other choices
b)
wave speed
c)
depth
d)
density
15.
Water that has greater density ______ .
a)
sinks
b)
rises
c)
spins clockwise
d)
is warmer
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