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Points to Remember

Ocean : A very large body of water
Sea : Another large body of water but it is generally smaller than an ocean.

E XE R C I S E

A. Tick () the correct answer.
1. Around 70%/97% of earth is covered with water.
2. We can store rainwater in a glass/drum.
3. A pond/sea is a small lake.
4. Lake/Rain is the main source of water.
5. We use water to clean clothes/papers.

B. Match the following suitably.

1. Rain i) Very large area of water

2. Lake ii) Water coming from mountains

3. Pond iii) Main source of water

4. River iv) Large area of water with land all around

5. Sea v) Small lake

C. Very Short Answer Questions.
1. How much water is on earth?
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2. What are the various sources of water?
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