I am blue, but not the sky If you touch, I doesn’t remain Every day you taste me and like me
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Transcript of I am blue, but not the sky If you touch, I doesn’t remain Every day you taste me and like me
I am blue, but not the skyIf you touch, I doesn’t remain
Every day you taste me and like me
Without me, it is difficult to survive
Then who I am?
Let us start today with puzzle
Click here for answer
Hi I am Ram
:
Which is the most valuable?
A. a bar of gold
B. a house
C. a bucket of clean water
D. a bag full of diamonds
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4
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1
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Some simple questions
When is world water day celebrated?
22 February
22 March
22 June
22 December
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2
3
4
(Click on correct tab)
What is the message you get from this posters?( list 2 in your worksheet)
How much water every person requires per day ?
About 50 litres per person per dayWe use water for drinking , washing, cooking and maintaining proper hygiene
You can live without food for several weeks, but you would survive less than a week without water.
What you can see in this pictures? What is the condition of people ?what might be the reason for this ? ( list 2 things your worksheet )
It is estimated that in a few years from now more than
One third
Of people in world would face water scarcity problem
Think about it
Let us see how much water is available
This is picture of earth taken from
space
Why does most of area appears blue?
Because 71% of earth’s surface is covered by water
(List on worksheet )
The actual amount of water available for human use
What is the actual amount of water available for drinking?Note down on your worksheet
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Which are the fresh water sources ?
list atleast 3 on your worksheet
How much percent of water is saline water? Is it useful for drinking ?
Note down on your worksheet
For answer click here
This is a water cycle
Identify the processes involved in water cycle. write down the processes against
the corresponding number(in your worksheet)
1. Groundwater2. ____________________
__3. ____________________
__4. ____________________
__5. ____________________
__6. ____________________
__7. ____________________
__
For answer click here
well Hand pump
These is how we usually get water
Tap
What is the reason for decrease in water level?( list atleast three in your notebook )
1. ________________________________________
____
2. ________________________________________
____
3. ________________________________________
____
4. ________________________________________
____ For answer click here
( list atleast 5 things in your notebook)
How water is wasted everyday ?
1) Leaking taps
2) ____________________________________________
3) ____________________________________________
4) ____________________________________________
5) ____________________________________________
For answer click here
So much water but still it is wasted
IN CONTRAST
What difference you can make out between previous 2
pictures?
List at least 4 difference in your worksheet
How can we make this water usable?
Think about it
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During summer season following is the situation in my village
Hi I am chintoo
What might be the reason for water
scarcity ?
(List 2 reasons in your worksheet)
He discussed about this with his grandfather
His grandfather told him a way to collect the rain water
Rain water harvesting
Seeing this all things Chintoo was very sad
What is the method of collection of rainwater called as ?
(list in your worksheet )
Click here to view video on rain water harvesting
What is meant by rain water harvesting?
(List down in your worksheet)
Traditional way of rain water harvesting
This is called as BAWRI
Bawri was also the traditional way of collecting water
Modern way of rain water harvesting
PROCESS OF RAIN WATER HARVESTING
Sketch of rainwater harvesting process
Which are the different steps in rain water harvesting process or converting rain water into drinking water?
1.Rainwater catchment2.Sand filter3.Main storage tank4.Pump5.Regular water filter6.RO filter to make water usable
for drinking
List in your worksheet
1.- Rainwater catchment
2.----------------------------
3.----------------------------
4.----------------------------
5.----------------------------
6.----------------------------
Model of rain water harvesting
Click here to view video
As an individual how come we can contribute towards conservation of water ?
( List atleast 4 ways for minimising water loss in your notebook )
1) _________________________________________________________
2) _________________________________________________________
3) _________________________________________________________
4) _________________________________________________________
5) _________________________________________________________
For answers click here
WORKSHEET
2) Mark “T” if statement is true and “F” if it is false:-
a) The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F)
b) Water shortage is a problem faced only by people living in rural areas. (T/F) c) Water from rivers is the only source for irrigation in the fields. (T/F)
d)Rain is the ultimate source of water. (T/F)
;-
3) Name the factors responsible for the scarcity of water?
For answers click here
1) _________________________________________________________2) _________________________________________________________3) _________________________________________________________4) _________________________________________________________5) _________________________________________________________
4) Make a sketch of rain water harvesting model and label different parts of it
4)
HOMEWORK
1) Find out Different ways in which rain harvesting can be done
2)There are ten tubewells in a lane of fifty houses. What could be the long term impact on the water table?
3) what are the different water management techniques carried out to save water ?
Thank you