I am blue, but not the sky If 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.

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Presentation transcript:

I am blue, but not the sky If 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

Of course ….. “Jal hai, To kal hai”

: 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 (Click on correct tab) Some simple questions

CORRECT CLICK HERE

INCORRECT CLICK HERE OOPS !!!

When is world water day celebrated? 22 February 22 March 22 June 22 December (Click on correct tab)

CORRECT CLICK HERE

INCORRECT CLICK HERE OOPS !!!

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 day  We 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 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

What is the actual amount of water available for drinking? Only 1% Which are the fresh water sources ? Well, lake,river,spring How much percent of water is saline water? Is it useful for drinking ? 97 %, no

This is a water cycle Identify the processes involved in water cycle. write down the processes against the corresponding number (in your worksheet) 1.Groundwater 2.__________________ ____ 3.__________________ ____ 4.__________________ ____ 5.__________________ ____ 6.__________________ ____ 7.__________________ ____ For answer click here

This is a water cycle 1.Groundwater 2.Evaporation 3.Condensation 4.Cloud 5.Transpiration 6.Infiltration 7.precipitation Answer

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

1.Increasing population 2.Increasing industries 3.Agricultural activities 4.Scanty rainfall 5.deforestation Answer key

( list atleast 5 things in your notebook) How water is wasted everyday ? 1)Leaking taps 2)____________________________________________ 3)____________________________________________ 4)____________________________________________ 5)____________________________________________ For answer click here

1)Leaking taps 2)while brushing teeth 3)Shaving 4)Bathing 5)Washing 6)Keeping the tap open while washing hands

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

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 catchment 2.Sand filter 3.Main storage tank 4.Pump 5.Regular water filter 6.RO filter to make water usable for drinking List in your worksheet 1.- Rainwater catchment

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

1)Turn off taps while brushing 2)Mop the floor instead of washing 3)Don’t waste too much water for washing clothes 4)Repair the leaking taps as soon as possible 5)Using minimum water for flushing in toilet

Evaluation 1) What you can see in picture ? What can be done to remove this problem ? ( write on your worksheet )

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

3) Name the factors responsible for the scarcity of water? 1.Increasing population 2.Increasing industries 3.Agricultural activities 4.Scanty rainfall 5.deforestation 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) b) Water shortage is a problem faced only by people living in rural areas. (F) c) Water from rivers is the only source for irrigation in the fields. (F)

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