Page 73 - EVS Class 03
P. 73
* Living things cannot survive without water.
* Water is required for many purposes.
* Rain is the main source of water on the earth.
* Water should be stored in clean and covered containers.
* We should conserve water.
A. Answer the following questions.
1. Name two ways in which you can save water.
2. Why do plants need water?
3. Why is the earth called a blue planet?
4. What are the sources of water?
5. Write some uses of water.
B. Fill in the blanks.
1. Drinking ____________ water can cause many diseases.
2. ____________ is the main source of water.
3. The earth is also called a ____________ planet.
4. ____________ helps us to digest food.
5. Polluted water has ____________ in it.
C. State whether the following statements are right or wrong .
1. Most of the earth is covered with water.
2. Water is not required for many purposes.
3. A home, we should use water purifier to get pure potable water.
4. Less rainfall is a reason for shortage of water.
5. We can drink any kind of water.
6. Living things cannot survive without water.
D. Answer quickly.
1. Main source of water _____________________
2. One of our basic needs _____________________
3. Water fit for drinking _____________________
EVS-3
73
