Page 105 - EVS Class 04

B. Fill in the blanks.

1. All living things need __________________ to survive.

2. Water __________________ when it is left in the open.

3. Water evaporates faster in high __________________ .
4. The earth is also known as __________________ __________________ .

5. Rain is the main source of water on the __________________ .

C. State whether the following statements are right or wrong .

1. Water in the seas and oceans’ is salty.
2. Atlantic ocean is the largest ocean.

3. There are six oceans in the world.

4. Dam is the main source of water on the earth.

5. Animals also need water to drink and bathe.
D. Complete the following water cycle.

Sun
Water Bodies

Rains Cooling

E. Choose the correct option for the following.

1. Which is the main source of water?

a) River b) Lake
c) Rain d) Sea

2. Underground water can be taken out by:

a) well b) tubewell

c) both a) & b) d) none of these
3. Which is a channel of water originating from a river?

a) Dam b) Canal

c) Reservoir d) All of these

4. The largest source of water on the earth is.
a) ocean b) seas

c) rivers d) rains

EVS-4
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