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

3

4

2

1

(Click on correct tab)

Some simple questions

When is world water day celebrated?

22 February

22 March

22 June

22 December

1

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

------------------------

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

---------------------------------------------------------------------------

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