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Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
When the water on the surface of the ocean rises and falls alternately, they are called _____.
a)
tides
b)
waves
2.
Tsunami is a type of ______
a)
tide
b)
ocean current
c)
wave
3.
During the full moon and new moon days, the sun, the moon and the earth are in the same line and the tides are highest. These tides are called ____ tides.
a)
spring
b)
neap
c)
high
d)
low
4.
What are the factors affecting the height of the waves?
a)
Winds
b)
earthquakes
c)
volcanic eruption
d)
All of the above
5.
The rythmic rise and fall of ocean water twice in a day is called
a)
Waves
b)
Ocean currents
c)
Tides
6.
Generally the warm ocean currents originate near
a)
Poles
b)
Equator
c)
None of these
7.
The process by which water continually changes its form and circulates between oceans, atmosphere and land
a)
Water cycle
b)
Tides
c)
Ocean currents
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