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SAI INTERNATIONAL SCHOOL

SUBJECT – GEOGRAPHY STD VII
TOPIC- LESSON -5 WATER
SUB TOPIC- Distribution of water bodies
HOME ASSIGNMENT
OBJECTIVE
1) what is the water division of earth
a) ocean water 97.5 per cent,freshwater frozen as ice 1.5 per cent and freshwater 1 per cent
b) ocean water 1%,freshwater frozen as ice-90%,freshwater9%
c) ocean water-47%,freshwater 50%,freshwater frozen as ice 3%
d) freshwater-33.33%,freshwater frozen as ice 33.33%,ocean water 33.33%

2) Which of the following is a way of conserving water?
a) Leave the tap running while brushing teeth
b) Use pipe to wash the car
c) Use the washing machine at full load
d) Leave the shower running while soaping

3) Approximately 75 percent of the Earth's surface is covered in water. So why is water
considered such a precious resource?
a) The greenhouse effect is causing most of the world's freshwater to be trapped in the
atmosphere
b) Each year, more freshwater is being trapped in icecaps located at the North and South
Poles
c) Only a small fraction of the Earth's water is freshwater available for drinking and irrigation
d) Global warming caused by greenhouse gas emissions will likely cause Earth's oceans to
evaporate

4) Where is most of Earth's water located?
a) polar ice caps
b) oceans
c) groundwater
d) atmosphere

5) Why is most of Earth's water not available to drink?
a) It is contaminated.
b) It is underground.
c) It is in the polar ice caps.
d) It has a high level of salinity.