Lesson 9
Water
1. Answer the following questions (āĻ¨িāĻŽ্āĻ¨āĻ˛āĻিāĻ¤ āĻĒ্āĻ°āĻļ্āĻ¨āĻুāĻ˛িāĻ° āĻāĻ¤্āĻ¤āĻ° 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 (āĻāĻŽāĻ°া āĻ
āĻ¨েāĻ āĻাāĻেāĻ° āĻāĻ¨্āĻ¯ āĻāĻ˛ āĻŦ্āĻ¯āĻŦāĻšাāĻ° āĻāĻ°ি। āĻāĻāĻি āĻ¤াāĻ˛িāĻা āĻŦাāĻ¨াāĻ):-
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 (āĻ¨িāĻŽ্āĻ¨āĻ˛āĻিāĻ¤ āĻļāĻŦ্āĻĻāĻুāĻ˛িāĻ° āĻŽāĻ§্āĻ¯ে āĻীāĻŦāĻ¨āĻ§াāĻ°āĻŖেāĻ° āĻāĻ¨্āĻ¯ āĻ¯াāĻĻেāĻ° āĻāĻ˛ āĻĻāĻ°āĻাāĻ° āĻšāĻ¯় āĻ¨া, āĻ¸েāĻুāĻ˛ি āĻোāĻ˛ āĻāĻ°ে āĻিāĻš্āĻ¨িāĻ¤ āĻāĻ°ো):-
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 (āĻāĻ˛োāĻŽেāĻ˛ো āĻļāĻŦ্āĻĻāĻুāĻ˛ি āĻ িāĻāĻŽāĻ¤ো āĻ¸াāĻিāĻ¯়ে āĻ
āĻ°্āĻĨāĻĒূāĻ°্āĻŖ āĻļāĻŦ্āĻĻ āĻŦাāĻ¨াāĻ):-
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
āĻ¨ুāĻļীāĻ˛āĻ¨ী ā§Ē- āĻāĻ° āĻ¸াāĻšাāĻ¯্āĻ¯ āĻ¨িāĻ¯়ে āĻļূāĻŖ্āĻ¯āĻ¸্āĻĨাāĻ¨ āĻĒূāĻ°āĻŖ āĻāĻ°ো):-
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' (āĻ¤াāĻ˛িāĻা ‘A’ āĻāĻŦং āĻ¤াāĻ˛িāĻা 'B' āĻ িāĻāĻাāĻŦে āĻŽেāĻ˛াāĻ):-
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 (āĻŦিāĻোāĻĄ় āĻļāĻŦ্āĻĻ āĻ¸āĻ িāĻ āĻাāĻŦে āĻেāĻ¨ো āĻāĻŦং āĻোāĻ˛ āĻāĻ°ো):-
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 (āĻĒ্āĻ°াāĻৃāĻ¤িāĻ āĻŦāĻ¸্āĻ¤ুāĻĻেāĻ° 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 (āĻĒ্āĻ°āĻ¤িāĻি āĻĒ্āĻ°াāĻৃāĻ¤িāĻ āĻŦāĻ¸্āĻ¤ু āĻ¯েāĻুāĻ˛ি āĻ¤ুāĻŽি āĻ
āĻ¨ুāĻļীāĻ˛āĻ¨ āĻ¨ং ā§Ž -āĻ āĻিāĻš্āĻ¨িāĻ¤ āĻāĻ°েāĻে, āĻ¤াāĻĻেāĻ° āĻ¸āĻŽ্āĻŦāĻ¨্āĻ§ে āĻāĻāĻি āĻāĻ°ে āĻŦাāĻ্āĻ¯ āĻ˛েāĻো):-
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. (āĻāĻ˛ āĻĻূāĻˇāĻŖেāĻ° āĻŽূāĻ˛ āĻাāĻ°āĻŖেāĻ° āĻāĻĒāĻ° āĻāĻāĻি āĻ¤াāĻ˛িāĻা āĻŦাāĻ¨াāĻ):-
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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