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WATER CLASS VI.

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Presentation on theme: "WATER CLASS VI."— Presentation transcript:

1 WATER CLASS VI

2 USES OF WATER DRINKING BRUSHING WASHING UTENSILS,CLOTHES,VEHICLES
CLEANING PLATES, FLOOR PRODUCING ELECTRICITY AGRICULTURE, GARDENING USED IN INDUSTRIES

3 NEARLY 2/3 OF EARTH IS COVERED WITH OCEAN/SEA WATER

4 WATER IN OCEANS AND SEAS IS SALTY [SALINE] AND UNFIT FOR DRINKING , INDUSTRIAL PURPOSE AND AGRICULTURE

5 SOURCES OF FRESH WATER 1.RIVER

6 2.SPRING

7 3.POND

8 4.WELL

9 5.HAND PUMP

10 WATER IN TAPS COME FROM RIVER USUALLY

11 Cycling of water in nature- WATER CYCLE
GAS [VAPOUR] LIQUID [WATER] cooling Basic processes in water cycle 1.EVAPORATION 2.CONDENSATION evaporation condensation heating

12 EVAPORATION THE PROCESS OF TURNING WATER TO WATER VAPOUR BY HEATING.
WATER EVAPORATES FROM WATER BODIES AND OTHER SOURCES DUE TO SUN’S HEAT

13 THIS WATER VAPOUR JOINS THE ATMOSPHERE CONTINUOUSLY AS A SLOW PROCESS.
WATER VAPOUR ALSO REACHES THE ATMOSPHERE BY TRANSPIRATION IN PLANTS.

14 FORMATION OF CLOUDS THE WATER VAPOUR MOVES UP AND UNDERGO COOLING , AND CONDENSATION TO FORM CLOUDS.

15 MANY TINY DROPLETS OF WATER IN THE CLOUD COME TOGETHER TO FORM LARGER DROPS WHICH ARE HEAVIER AND FALL AS RAIN.

16 CONDENSATION THE PROCESS BY WHICH WATER- VAPOUR TURNS TO WATER
ON COOLING.

17 EXCESSIVE COOLING OF WATER VAPOUR RESULTS IN SNOW FALL / HAIL

18 JOIN RIVERS LAKES AND OCEAN
THE WATER THAT FALLS ON LAND AS RAIN AND SNOW AGAIN UNDERGO CIRCULATION RAIN WATER SURFACE RUN OFF JOIN RIVERS LAKES AND OCEAN INFILTRATION GO DEEP IN THE SOIL SOIL WATER USED BY PLANTS GROUND WATER SOUCE FOR BOREWELL

19 WATER CYCLE

20 Ground water is an important source of water

21 DEPLETION OF WATER TABLE
infiltration Water table may go down if the water is not sufficiantly replenished. Consumption of ground water Ground water

22 REASONS OF DEPLETION OF WATER TABLE
1. DEFORESTATION

23 2 . SCANTY RAINFALL

24 3.EXCESSIVE CONSUMPTION BY INCREASING POPULATION

25 DECREASE IN THE SEEPAGE AREA

26 5. EXCESSIVE USE BY Agricultural activities

27 6. INCREASING INDUSTRIES

28 CONSERVATION OF WATER AVOID WASTAGE

29 CONSERVATION OF WATER REPAIR LEAKING TAP

30 CONSERVATION OF WATER

31 CONSERVATION OF WATER REUSE /RECYCLE IF POSSIBLE

32 WATER WISE HABITS DIRECT USED KITCHEN WATER TO YOUR GARDEN .

33 Drip irrigation for your garden

34 WATER WISE HABITS WASH VESSELS USING COLLECTED WATER
INSTEAD OF WASHING DIRECTLY UNDER TAP.

35 WATER WISE HABITS MOP THE FLOOR INSTEAD OF WASHING

36 WATER WISE HABITS TURN OFF TAP WHILE BRUSHING

37 ROOF TOP RAINWATER HARVESTING
RAINWATER IS COLLECTED FROM THE ROOF OF BUILDINGS AND STORED IN TANKS AFTER FILTRATION.

38 Roof top rainwater harvesting

39 SURFACE RUN OFF WATER PERCOLATION

40 PLANTING VEGETATION

41 Roof to rainwater harvesting

42 POND- A TRADITIONAL WAY OF COLLECTING WATER

43 INFILTRATION PITS IT SOAKS WATER & DIRECT IT TO UNDER GROUND TO RECHARGE GROUND WATER Pit filled with gravel

44 GRASSY PATCHES & OTHER VEGETATIONS
HELPS IN INFILTRATION

45 DRIP IRRIGATION - saves water
A TECHNIQUE OF WATERING PLANTS BY USING NARROW TUBES WHICH SUPPLY WATER AT THE BASE OF PLANTS AS TINY DROPS.

46 DRIP IRRIGATION

47 IF IT RAINS HEAVILY---CAUSES FLOOD

48 NO RAIN FOR A LONG PERIOD –CAUSES DRAUGHT

49

50 Save every drop of water !

51 SAVE WATER ! SAVE LIFE !

52 SAVE WATER ! SAVE LIFE !

53 LABEL THE DIAGRAM 6 SUN’S HEAT CONDENSATION CLOUDS EVAPORATION
RAIN FALL WATER BODY

54 increase in population
FILL IN THE BLANKS 1. the process of changing water to water vapour is called 2. The process of recharging ground water can be done by 3.The source of water for bore well is 4.Amethod of irrigation which saves good amount of water is 5. One reason for depletion of ground water is is EVAPORATION rainwater harvesting ground water drip irrigation increase in population

55 MATCH THE FOLLOWING CIRCULATION OF WATER IN NATURE INFILTRATION PITS
WATER SAVING METHOD OF IRRIGATION A METHOD OF STORING RAINWATER FOR FUTURE USE CAUSE OF WATER SHORTAGE DEFORESTATION WATER CYCLE ROOF TOP RAINWATER HARVESTING DRIP IRRIGATION REPLENISH ground WATER

56

57 THANK YOU


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