CBSE Class 7 Social Studies Worksheet
Geography - Water
1.
Fill in the blanks: Early warning systems are in place across the ____________ ocean, but not in the Indian Ocean.
2.
State Yes or No: 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.
A)
Yes
B)
No
3.
Fill in the blanks: Three-fourth of the earth surface is covered by ____________.
4.
State Yes or No: Seas around China and the eastern coast of North America are such examples.
A)
Yes
B)
No
5.
Fill in the blanks: ____________ are rare in the Indian Ocean as the seismic activity is less as compared to the Pacific.
6.
State Yes or No: Low tides help in navigation.
A)
Yes
B)
No
7.
What are the major sources of fresh water?
8.
Fill in the blanks: Tsunami is a ____________ word that means Harbour waves as the harbours get destroyed whenever there is a tsunami.
9.
State Yes or No: Water is absolutely essential for survival.
A)
Yes
B)
No
10.
Fill in the blanks: The ____________ bodies and the seas contain salty water.
11.
Fill in the blanks: The major sources of fresh water are the rivers, ponds, springs and ____________.
12.
State Yes or No: It is high tide when water covers much of the shore by rising to its highest level.
A)
Yes
B)
No
13.
What provide the best fishing grounds of the world?
14.
State Yes or No: Water vapour may fall on the land or sea in the form of rain, snow or sleet.
A)
Yes
B)
No
15.
Fill in the blanks: High tide raise the ____________ level close to the shores.
16.
Fill in the blanks: While the earthquake cannot be predicted in advance, it is possible to give a three-hour notice of a potential ____________.
17.
Fill in the blanks: After thrusting of the Indian plate below the ____________ plate, the water mass rushed back towards the coastline.
18.
Fill in the blanks: Swimmers can float in dead because the increased ____________ content make it dense.
19.
Fill in the blanks: Generally, the warm ocean currents originate near the equator and move towards the ____________.
20.
State Yes or No: The strong gravitational pull exerted by the sun and the moon on the earth surface causes the tides.
A)
Yes
B)
No
CBSE Class 7 Social Studies Worksheet
Geography - Water
Answers
1.
Pacific
2.
Option A
3.
Water
4.
Option B
5.
Tsunamis
6.
Option B
7.
The major sources of fresh water are the rivers, ponds, springs and glaciers.
8.
Japanese
9.
Option A
10.
Ocean
11.
Glaciers
12.
Option A
13.
The areas where the warm and cold currents meet provide the best fishing grounds of the world.
14.
Option A
15.
Water
16.
Tsunami
17.
Burma
18.
Salt
19.
Poles
20.
Option A
