16. Water-A Precious Resource by Dilip Kumar Chandra

by Dilip Kumar Chandra PGT Biotechnology JNV Raipur CG

1. 1

2. •Arizona
June 2002 Dec 2003
WATER SCARCITY

4. Drought and famine

6. Water hunt
Water hunt /
Water famine
W
a
t
e
r

7. MILES TO GO TO FETCH WATER

8. JAL HAI TO KAL HAI
•WATER WATER EVERY WHERE
•YouTube - Wells- Safe Drinking Water.mp4
•YouTube - Water Crisis in India.flv
• NO SAFE WATER TO DRINK

9. Assume that this water
represents all the water
Present on the earth
This represents total
fresh water on the earth

10. This gives a measure
of usable water present
as ground water
This represents all the
water present in all
lakes and rivers of the
world

11. TOTAL WATER
•TOTAL WATER--- 326 MILLION
TRILLIAN GALLONS
•70% IN OCEANS
•2% FRESH WATER 1.6% IS LOCKED
IN POLAR ICE AND GLACIERS
•0.4% IS AVAILABLE IN LAKES AND
RIVERS

12. •WATER EXISTS IN
THREE FORMS
•SOLID (ICE)
•LIQUID (WATER)
•GASEOUS FORM
(WATER VAPOUR)

13. •THESE THREE FORMS OF WATER
CIRCULATES IN THE FORM OF WATER
CYCLE

14. •YouTube - water cycle.flv

15. •Groundwater is water that comes from the
ground .
Groundwater comes from rain, snow, sleet, and hail that
soaks into the ground. passing between particles of soil, sand,
gravel
The water moves down into the ground because of gravity,
or rock until it reaches a depth where the ground is filled, or
saturated, with water.

16. •Rain water and water from other sources
seeps through the soil and fills the empty
spaces .The process of seeping of water
into the ground is called INFILTRATION.
•At Places ground water is stored between
layers of hard rock . This known as
acquifer.

17. • Going down. Several centimeters' worth of water (pink) disappears
each year from beneath the northern Indian subcontinent.

18. •YouTube - Groundwater and Sustainable
Use.mp4

19. ?

20. LEAKAGE OF TAPS
WE CHECK IT !

21. MADE INTACT
TO PREVENT WASTAGE OF WATER IN OUR CAMPUS

22. Home work
•Write five points to minimize wastage of
water in our vidyalaya