Class-3 EVS Chapter-20 Drop by Drop, Additional Exercises in line with NCERT book / CBSE Syllabus
Chapter-20
Drop
by Drop
Choose the correct answers:
1-
Water comes from
a.
Rain
b.
Melting of snow on
mountains
c.
Both (√)
2-
Which of the following
needs water
a.
Only plants
b.
Only animals
c.
Both plants and
animals (√)
3-
Which of the following
is used for cleaning water?
a.
Water purifier (√)
b.
Water cooler
c.
Water dispenser
4-
We should save water
because;
a.
Water is precious (√)
b.
There is enough water
for everyone
c.
Everyone talks about
saving water
5-
Which of the following
should be done to save water
a.
Use shower for bathing
b.
Keep the tap running
while brushing
c.
Reuse the water used
in various household activities (√)
Tick the activities for
which water is needed:
⃝
Making tea (√)
⃝
Playing
⃝
Bathing (√)
⃝
Singing
⃝
Writing
⃝
Drinking (√)
⃝
Boating (√)
⃝
Kneading dough (√)
⃝
Cleaning the house (√)
⃝
Cooking
⃝
Drinking
⃝
Bathing
⃝
Washing
⃝
Jumping (√)
⃝
Swimming
⃝
Rafting
⃝
Boating
⃝
Sleeping (√)
⃝
Dusting (√)
State whether the
following statements are true or false:
1- We should use only as
much water as required. (True)
2- Water is always clean.
(False)
3- When we are thirsty,
we should demand sufferings. (False)
4- We should spread the
message of saving water. (True)
5- All living beings need
water to live. (True)
6- Drinking dirty water
can make us I'll. (true)
Answer the following in questions:
Q. From where do the people in Madho's village fetch water for
drinking?
Ans - The people in Madho’s family fetch water for d rinking from the nearby pond.
Q. Who fetches water in Madho's house?
Ans- In Madho's house, his father goes to fetch water in his camel- cart.
Q .Water collected in the tanka is mostly used for drinking. Why?
Ans- Water collected in the tanka is mostly used for drinking after cleaning because of the scarcity of water.
Q. Have you seen water flowing unnecessarily in your home, school or any other place? Where?
Ans- In home - while cleaning vessels
At school - through a leaking tap
Ans - The people in Madho’s family fetch water for d rinking from the nearby pond.
Q. Who fetches water in Madho's house?
Ans- In Madho's house, his father goes to fetch water in his camel- cart.
Q .Water collected in the tanka is mostly used for drinking. Why?
Ans- Water collected in the tanka is mostly used for drinking after cleaning because of the scarcity of water.
Q. Have you seen water flowing unnecessarily in your home, school or any other place? Where?
Ans- In home - while cleaning vessels
At school - through a leaking tap
Suggest ways of saving water.
1 - Do not let the water tap keep running while brushing or
shaving.
2- Use bucket in place of shower for bathing.
3 - Reuse the Water used for washing vegetables for watering the plants.
4- Mop the floor instead of washing.
5- Use tub for washing vessels in place of running tape.
2- Use bucket in place of shower for bathing.
3 - Reuse the Water used for washing vegetables for watering the plants.
4- Mop the floor instead of washing.
5- Use tub for washing vessels in place of running tape.
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