WorksheetsCurrents, Waves and Tides
Total questions: 24
Worksheet time: 14mins
Name
Class
Date
1.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Magic water fairies
2.
The Gulf stream carries _____________ water from the east coast of The United States to the West coast of Europe.
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
3.
What happens to a current when it comes in contact with a continent or landmass?
a)
It continues over the continent
b)
It stops
c)
It changes direction
d)
It is absorbed by the land
4.
Due to the Coriolis Effect, water in the northern hemisphere moves
a)
clockwise
b)
counter clockwise
c)
both
d)
like a ninja
5.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both North and South Poles
6.
Cold ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both North and South Poles
7.
Constantly moving system of deep-ocean circulation driven by temperature and salinity. It moves water around the entire planet over periods of hundreds of years.
a)
California Current
b)
Global Conveyor Belt
c)
Surface Currents
d)
Gulf Stream
8.
The large, circular surface-current pattern found in each ocean; rotates like a tire.
a)
California Current
b)
Surface Current
c)
Gyre
d)
Global Conveyor Belt
9.
An "underwater river" of water that flows in the ocean, formed because of density differences in ocean water.
a)
deep ocean current
b)
storm surge
c)
tide
d)
wave
10.
Large stream of water that flows in the ocean that forms because of a steady wind blowing over the ocean surface.
a)
storm surge
b)
surface current
c)
tide
d)
water cycle
11.
The pull of the moon's _________ is the greatest effect on changing tides.
a)
erosion
b)
gravity
c)
craters
d)
claws of doom
12.
Why does the moon have a greater effect on tides than the sun?
a)
the moon is smaller
b)
the moon is closer to Earth
c)
the sun is made up of gases
d)
the moon's craters attract water
13.
The largest wind waves in the ocean form when the wind
a)
is very strong
b)
blows steadily for a long time
c)
blows over a very long distance
d)
all of the above
14.
Waves cause individual water particles to
a)
travel toward shore
b)
move in tiny circles
c)
sink to the bottom
d)
move in currents
15.
Which of the following factors has the greatest effect on surface currents?
a)
global winds
b)
Neptune God of the Sea
c)
differences in water salinity
d)
differences in water temperature
16.
Which of the following statements about upwelling is false?
a)
It brings nutrients to the surface
b)
It occurs when winds push water toward shore
c)
It causes cold, dense water to rise
d)
It typically takes place along coasts
17.
High water pushed ashore by storm winds is called
a)
tsunami
b)
storm surge
18.
What is the daily rise and fall of sea level at a given place along the shore called?
a)
wave
b)
tide
c)
upwelling
d)
barrier reef
19.
The distance between consecutive crests of a wave is the _________________.
a)
crest
b)
wavelength
c)
wave height
d)
trough
20.
The lowest point of a wave is called the ____________.
a)
crest
b)
wavelength
c)
trough
d)
wave height
21.
The highest point in a wave is the ______________.
a)
crest
b)
wavelength
c)
trough
d)
wave height
22.
A _____________ tide occurs when the moon, sun, and Earth are aligned. This is a period of the highest high tides and lowest low tides.
a)
neap
b)
spring
c)
slack water
d)
ebb
23.
_______________ are caused by earthquakes on the ocean floor, volcanic eruptions, or underwater landslides.
a)
tides
b)
waves
c)
tsunamis
d)
surface currents
24.
Tides are caused by __________.
a)
wind
b)
density differences
c)
gravity
d)
salinity differences
100 %
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