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Water

 


Lesson 9

Water

 

1. Answer the following questions (āύিāĻŽ্āύāϞāĻ–িāϤ āĻĒ্āϰāĻļ্āύāĻ—ুāϞিāϰ āωāϤ্āϤāϰ āĻĻাāĻ“):-

(i) Name two main sources of water.

Ans:- Two main sources of water are rain and snow .

 

(ii) How do we get the underground water?

Ans:- We get the underground water with the help of wells or tube wells .

 

(iii) Do all animals and plants need water?

Ans:- All animals and plants need water to alive .

 

(iv) Why do farmers need water?

Ans:- Farmers need water to grow crops .

 

(v) What should we do to welcome rain?

Ans:- We shall keep the water clean and plant trees to welcome rain .

 

2. We use water for many purposes. Make a list of these (āφāĻŽāϰা āĻ…āύেāĻ• āĻ•াāϜেāϰ āϜāύ্āϝ āϜāϞ āĻŦ্āϝāĻŦāĻšাāϰ āĻ•āϰি। āĻāĻ•āϟি āϤাāϞিāĻ•া āĻŦাāύাāĻ“):-

Ans:-                          Usages of Water

(i) All animals and plants need water to alive .

(ii) We need water to clean things .

(iii) Farmers need water to grow crops .

(iv) Electricity is generated from water .

(v) Water even helps to put out fire .

 

3. Which among these do not need water to exist. Circle them (āύিāĻŽ্āύāϞāĻ–িāϤ āĻļāĻŦ্āĻĻāĻ—ুāϞিāϰ āĻŽāϧ্āϝে āϜীāĻŦāύāϧাāϰāĻŖেāϰ āϜāύ্āϝ āϝাāĻĻেāϰ āϜāϞ āĻĻāϰāĻ•াāϰ āĻšāϝ় āύা, āϏেāĻ—ুāϞি āĻ—োāϞ āĻ•āϰে āϚিāĻš্āύিāϤ āĻ•āϰো):-

Ans:-

(i) Doll,

(ii) Tree,

(iii) Table,

(iv) Man,

(v) Cow,

(vi) Book,

(vii) Fish,

(viii) Bird .

 

4. Arrange the jumbled letters to make meaningful words (āĻāϞোāĻŽেāϞো āĻļāĻŦ্āĻĻāĻ—ুāϞি āĻ িāĻ•āĻŽāϤো āϏাāϜিāϝ়ে āĻ…āϰ্āĻĨāĻĒূāϰ্āĻŖ āĻļāĻŦ্āĻĻ āĻŦাāύাāĻ“):-

Ans:-

(i) haws - Wash,

(ii) ertaw - Water,

(iii) dpon -Pond,

(iv) habet - Bathe,

(v) erte - Tree .

 

5. Fill in the blanks with the words formed in exercise no. 4 (āĻ…āύুāĻļীāϞāύী ā§Ē- āĻāϰ āϏাāĻšাāϝ্āϝ āύিāϝ়ে āĻļূāĻŖ্āϝāϏ্āĻĨাāύ āĻĒূāϰāĻŖ āĻ•āϰো):-

Ans:-

(i) Water is life for us.

(ii) We wash our clothes with water.

(iii) We can get water from pond .

(iv) Tree welcomes rain.

(v) Everyday we bathe with water.

 

6. Match Table ‘A’ with Table 'B' (āϤাāϞিāĻ•া ‘A’ āĻāĻŦং āϤাāϞিāĻ•া 'B' āĻ িāĻ•āĻ­াāĻŦে āĻŽেāϞাāĻ“):-

Ans:-

Table A

Table B

(i) Tree

rain

(ii) Farmer

crop

(iii) Factory

chemicals

(iv) Snow

mountain

(v) Garbage

pollution

 

7. Pick the odd one out and circle it (āĻŦিāϜোāĻĄ় āĻļāĻŦ্āĻĻ āϏāĻ িāĻ• āĻ­াāĻŦে āϚেāύো āĻāĻŦং āĻ—োāϞ āĻ•āϰো):-

Ans:-

(i) lake, river, pump, pond

(ii) cloud, sky, sun, grass

(iii) man, girl, child, tree

(iv) drinking, washing, playing, bathing

(v) fire, snow, mountain, ice

 

8. Put a tick mark () beside the natural objects (āĻĒ্āϰাāĻ•ৃāϤিāĻ• āĻŦāϏ্āϤুāĻĻেāϰ āĻĒাāĻļে āĻĻাāĻ“):-

Ans:-

(i) A tree ( )

(ii) A mountain ( )

(iii) Cloud ( )

(iv) A well ( )

(v) A paddy field ( )

(vi) A river ( )

(vii) A pond ( ).

 

9. Draw a picture of each of the natural objects beside which you have put a tick. Write one sentence for each picture (āĻĒ্āϰāϤিāϟি āĻĒ্āϰাāĻ•ৃāϤিāĻ• āĻŦāϏ্āϤু āϝেāĻ—ুāϞি āϤুāĻŽি āĻ…āύুāĻļীāϞāύ āύং ā§Ž -āĻ āϚিāĻš্āύিāϤ āĻ•āϰেāĻ›ে, āϤাāĻĻেāϰ āϏāĻŽ্āĻŦāύ্āϧে āĻāĻ•āϟি āĻ•āϰে āĻŦাāĻ•্āϝ āϞেāĻ–ো):-

Ans:-

A tree is man's friends.

The cool mountain air made her shiver.

The dark clouds are floating in the sky .

The boat is on the river.

 

10. Make a list of the major causes of water pollution. (āϜāϞ āĻĻূāώāĻŖেāϰ āĻŽূāϞ āĻ•াāϰāĻŖেāϰ āĻ“āĻĒāϰ āĻāĻ•āϟি āϤাāϞিāĻ•া āĻŦাāύাāĻ“):-

Ans:-                      Major causes of Water Pollution

Addition of waste products from homes .

Addition of waste products from agriculture .

Addition of waste from industries .

Addition of sewage in water bodies .

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