logging in or signing up WATER ksvasan Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 10284 Category: Science & Tech.. License: All Rights Reserved Like it (11) Dislike it (0) Added: July 03, 2009 This Presentation is Public Favorites: 10 Presentation Description No description available. Comments Posting comment... By: shalomlydia (23 month(s) ago) wonderful...apriciate ur perspiration Saving..... Post Reply Close Saving..... Edit Comment Close By: samdomnic (27 month(s) ago) hmm., super ppt thanks Saving..... Post Reply Close Saving..... Edit Comment Close By: bafifi (36 month(s) ago) Wonderful, Thanks a lot Saving..... Post Reply Close Saving..... Edit Comment Close By: pavas0407 (36 month(s) ago) Really a great presentation. Both content wise and technique wise. Saving..... Post Reply Close Saving..... Edit Comment Close By: vbansal43 (40 month(s) ago) Great ppt mam. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript WATER A PRECIOUS RESOURCE : by MERLIN. S .W 1 WATER A PRECIOUS RESOURCE PRESENTED BY Mrs.MERLIN .S.W TGT (SCIENCE), K V .DHARWAD CLASS VII THREE DIFFERENT STATES OF WATER : by MERLIN. S .W 2 THREE DIFFERENT STATES OF WATER 1. SOLID FORM OF WATER - ICE / SNOW PRESENT AS ICE CAPS AT THE POLES OF THE EARTH SNOW COVERED MOUNTAINS AND GLACIERS 2. LIQUID FORM - WATER : by MERLIN. S .W 3 2. LIQUID FORM - WATER PRESENT IN OCEANS LAKES RIVERS & UNDERGROUND 3.GASEOUS FORM - WATER VAPOUR : by MERLIN. S .W 4 3.GASEOUS FORM - WATER VAPOUR PRESENT IN AIR AROUND US Cycling of water in nature : by MERLIN. S .W 5 Cycling of water in nature Basic processes in water cycle EVAPORATION - conversion of LIQUID TO GAS by heating CONDENSATION Conversion of GAS TO LIQUID by cooling GAS [VAPOUR] LIQUID [WATER] evaporation condensation heating cooling WATER CYCLE : by MERLIN. S .W 6 WATER CYCLE The process of seeping of water into the ground-INFILTRATION : by MERLIN. S .W 7 The process of seeping of water into the ground-INFILTRATION RAIN WATER SURFACE RUN OFF INFILTRATION SOIL WATER GROUND WATER Slide 8: by MERLIN. S .W 8 THE UPPER LIMIT OFSATURATED ZONE OF GROUND WATER— WATER TABLE WATER TABLE Slide 9: by MERLIN. S .W 9 UNSATURATED ZONE SATURATED ZONE AQUIFER WATER TABLE GROUND WATER THE GROUND WATER STORED BETWEEN THE LAYERES OF HARD ROCKS BELOW THE WATER TABLE --AQUIFER Ground water is an important source of water : by MERLIN. S .W 10 Ground water is an important source of water DEPLETION OF WATER TABLE : by MERLIN. S .W 11 DEPLETION OF WATER TABLE Water table may go down if the water is not sufficiantly replenished. infiltration Consumption of ground water Ground water REASONS OF DEPLETION OF WATER TABLE : by MERLIN. S .W 12 REASONS OF DEPLETION OF WATER TABLE 1. DEFORESTATION : by MERLIN. S .W 13 2 . SCANTY RAINFALL 3.EXCESSIVE CONSUMPTION BYINCREASING POPULATION : by MERLIN. S .W 14 3.EXCESSIVE CONSUMPTION BYINCREASING POPULATION DECREASE IN THE SEEPAGE AREA : by MERLIN. S .W 15 DECREASE IN THE SEEPAGE AREA 5. EXCESSIVE USE BY Agricultural activities : by MERLIN. S .W 16 5. EXCESSIVE USE BY Agricultural activities 6. INCREASING INDUSTRIES : by MERLIN. S .W 17 6. INCREASING INDUSTRIES CONSERVATION OF WATER : by MERLIN. S .W 18 CONSERVATION OF WATER AVOID WASTAGE CONSERVATION OF WATER : by MERLIN. S .W 19 CONSERVATION OF WATER REPAIR LEAKING TAP CONSERVATION OF WATER : by MERLIN. S .W 20 CONSERVATION OF WATER USE MINIMUM CONSERVATION OF WATER : by MERLIN. S .W 21 CONSERVATION OF WATER REUSE /RECYCLE IF POSSIBLE WATER WISE HABITS : by MERLIN. S .W 22 WATER WISE HABITS DIRECT USED KITCHEN WATER TO YOUR GARDEN . Drip irrigation for your garden : by MERLIN. S .W 23 Drip irrigation for your garden WATER WISE HABITS : by MERLIN. S .W 24 WATER WISE HABITS WASH VESSELS USING COLLECTED WATER INSTEAD OF WASHING DIRECTLY UNDER TAP. WATER WISE HABITS : by MERLIN. S .W 25 WATER WISE HABITS MOP THE FLOOR INSTEAD OF WASHING WATER WISE HABITS : by MERLIN. S .W 26 WATER WISE HABITS TURN OFF TAP WHILE BRUSHING RAINWATER HARVESTING : by MERLIN. S .W 27 RAINWATER HARVESTING BASIC PRINCIPLE- REDUCE THE SPEED MAKE RUNNING WATER WALK ! MAKE WALKING WATER CRAWL !! MAKE CRAWLING WATER STAND !!! ALLOW THE STANDINGWATER TO PERCOLATE !!!! STOP! Slide 28: by MERLIN. S .W 28 Slide 29: by MERLIN. S .W 29 WATER PERCOLATION SURFACE RUN OFF PLANTING VEGETATION : by MERLIN. S .W 30 PLANTING VEGETATION ROOF TOP RAINWATER HARVESTING : by MERLIN. S .W 31 ROOF TOP RAINWATER HARVESTING RAINWATER IS COLLECTED FROM THE ROOF OF BUILDINGS AND STORED IN TANKS AFTER FILTRATION. Roof top rainwater harvesting : by MERLIN. S .W 32 Roof top rainwater harvesting Roof to rainwater harvesting : by MERLIN. S .W 33 Roof to rainwater harvesting BAWRI- A TRADITIONAL WAY OF COLLECTING WATER : by MERLIN. S .W 34 BAWRI- A TRADITIONAL WAY OF COLLECTING WATER INFILTRATION PITS : by MERLIN. S .W 35 INFILTRATION PITS IT SOAKS WATER & DIRECT IT TO UNDER GROUND TO RECHARGE GROUND WATER Pit filled with gravel GRASSY PATCHES & OTHER VEGETATIONS : by MERLIN. S .W 36 GRASSY PATCHES & OTHER VEGETATIONS HELPS IN INFILTRATION DRIP IRRIGATION- saves water : by MERLIN. S .W 37 DRIP IRRIGATION- saves water A TECHNIQUE OF WATERING PLANTS BY USING NARROW TUBES WHICH SUPPLY WATER AT THE BASE OF PLANTS AS TINY DROPS. DRIP IRRIGATION : by MERLIN. S .W 38 DRIP IRRIGATION Slide 39: by MERLIN. S .W 39 Save every drop of water ! : by MERLIN. S .W 40 Save every drop of water ! SAVE WATER ! SAVE LIFE ! : by MERLIN. S .W 41 SAVE WATER ! SAVE LIFE ! SAVE WATER ! SAVE LIFE ! : by MERLIN. S .W 42 SAVE WATER ! SAVE LIFE ! LABEL THE DIAGRAM : by MERLIN. S .W 43 LABEL THE DIAGRAM SUN’S HEAT CLOUDS WATER BODY EVAPORATION CONDENSATION RAIN FALL 6 FILL IN THE BLANKS : by MERLIN. S .W 44 FILL IN THE BLANKS 1.The solid form of water is ---------------- 2. the process of changing water to water vapour is called ----------------. 3. The process of recharging ground water can be done by ---------------------. 4.The source of water for bore well is ----------- 5.Amethod of irrigation which saves good amount of water is ------------------ 6. One reason for depletion of ground water is is ---------------- ICE EVAPORATION rainwater harvesting ground water drip irrigation increase in population MATCH THE FOLLOWING : by MERLIN. S .W 45 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 Slide 46: by MERLIN. S .W 46 THANK YOU : by MERLIN. S .W 47 THANK YOU You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
WATER ksvasan Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Copy Does not support media & animations WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 10284 Category: Science & Tech.. License: All Rights Reserved Like it (11) Dislike it (0) Added: July 03, 2009 This Presentation is Public Favorites: 10 Presentation Description No description available. Comments Posting comment... By: shalomlydia (23 month(s) ago) wonderful...apriciate ur perspiration Saving..... Post Reply Close Saving..... Edit Comment Close By: samdomnic (27 month(s) ago) hmm., super ppt thanks Saving..... Post Reply Close Saving..... Edit Comment Close By: bafifi (36 month(s) ago) Wonderful, Thanks a lot Saving..... Post Reply Close Saving..... Edit Comment Close By: pavas0407 (36 month(s) ago) Really a great presentation. Both content wise and technique wise. Saving..... Post Reply Close Saving..... Edit Comment Close By: vbansal43 (40 month(s) ago) Great ppt mam. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript WATER A PRECIOUS RESOURCE : by MERLIN. S .W 1 WATER A PRECIOUS RESOURCE PRESENTED BY Mrs.MERLIN .S.W TGT (SCIENCE), K V .DHARWAD CLASS VII THREE DIFFERENT STATES OF WATER : by MERLIN. S .W 2 THREE DIFFERENT STATES OF WATER 1. SOLID FORM OF WATER - ICE / SNOW PRESENT AS ICE CAPS AT THE POLES OF THE EARTH SNOW COVERED MOUNTAINS AND GLACIERS 2. LIQUID FORM - WATER : by MERLIN. S .W 3 2. LIQUID FORM - WATER PRESENT IN OCEANS LAKES RIVERS & UNDERGROUND 3.GASEOUS FORM - WATER VAPOUR : by MERLIN. S .W 4 3.GASEOUS FORM - WATER VAPOUR PRESENT IN AIR AROUND US Cycling of water in nature : by MERLIN. S .W 5 Cycling of water in nature Basic processes in water cycle EVAPORATION - conversion of LIQUID TO GAS by heating CONDENSATION Conversion of GAS TO LIQUID by cooling GAS [VAPOUR] LIQUID [WATER] evaporation condensation heating cooling WATER CYCLE : by MERLIN. S .W 6 WATER CYCLE The process of seeping of water into the ground-INFILTRATION : by MERLIN. S .W 7 The process of seeping of water into the ground-INFILTRATION RAIN WATER SURFACE RUN OFF INFILTRATION SOIL WATER GROUND WATER Slide 8: by MERLIN. S .W 8 THE UPPER LIMIT OFSATURATED ZONE OF GROUND WATER— WATER TABLE WATER TABLE Slide 9: by MERLIN. S .W 9 UNSATURATED ZONE SATURATED ZONE AQUIFER WATER TABLE GROUND WATER THE GROUND WATER STORED BETWEEN THE LAYERES OF HARD ROCKS BELOW THE WATER TABLE --AQUIFER Ground water is an important source of water : by MERLIN. S .W 10 Ground water is an important source of water DEPLETION OF WATER TABLE : by MERLIN. S .W 11 DEPLETION OF WATER TABLE Water table may go down if the water is not sufficiantly replenished. infiltration Consumption of ground water Ground water REASONS OF DEPLETION OF WATER TABLE : by MERLIN. S .W 12 REASONS OF DEPLETION OF WATER TABLE 1. DEFORESTATION : by MERLIN. S .W 13 2 . SCANTY RAINFALL 3.EXCESSIVE CONSUMPTION BYINCREASING POPULATION : by MERLIN. S .W 14 3.EXCESSIVE CONSUMPTION BYINCREASING POPULATION DECREASE IN THE SEEPAGE AREA : by MERLIN. S .W 15 DECREASE IN THE SEEPAGE AREA 5. EXCESSIVE USE BY Agricultural activities : by MERLIN. S .W 16 5. EXCESSIVE USE BY Agricultural activities 6. INCREASING INDUSTRIES : by MERLIN. S .W 17 6. INCREASING INDUSTRIES CONSERVATION OF WATER : by MERLIN. S .W 18 CONSERVATION OF WATER AVOID WASTAGE CONSERVATION OF WATER : by MERLIN. S .W 19 CONSERVATION OF WATER REPAIR LEAKING TAP CONSERVATION OF WATER : by MERLIN. S .W 20 CONSERVATION OF WATER USE MINIMUM CONSERVATION OF WATER : by MERLIN. S .W 21 CONSERVATION OF WATER REUSE /RECYCLE IF POSSIBLE WATER WISE HABITS : by MERLIN. S .W 22 WATER WISE HABITS DIRECT USED KITCHEN WATER TO YOUR GARDEN . Drip irrigation for your garden : by MERLIN. S .W 23 Drip irrigation for your garden WATER WISE HABITS : by MERLIN. S .W 24 WATER WISE HABITS WASH VESSELS USING COLLECTED WATER INSTEAD OF WASHING DIRECTLY UNDER TAP. WATER WISE HABITS : by MERLIN. S .W 25 WATER WISE HABITS MOP THE FLOOR INSTEAD OF WASHING WATER WISE HABITS : by MERLIN. S .W 26 WATER WISE HABITS TURN OFF TAP WHILE BRUSHING RAINWATER HARVESTING : by MERLIN. S .W 27 RAINWATER HARVESTING BASIC PRINCIPLE- REDUCE THE SPEED MAKE RUNNING WATER WALK ! MAKE WALKING WATER CRAWL !! MAKE CRAWLING WATER STAND !!! ALLOW THE STANDINGWATER TO PERCOLATE !!!! STOP! Slide 28: by MERLIN. S .W 28 Slide 29: by MERLIN. S .W 29 WATER PERCOLATION SURFACE RUN OFF PLANTING VEGETATION : by MERLIN. S .W 30 PLANTING VEGETATION ROOF TOP RAINWATER HARVESTING : by MERLIN. S .W 31 ROOF TOP RAINWATER HARVESTING RAINWATER IS COLLECTED FROM THE ROOF OF BUILDINGS AND STORED IN TANKS AFTER FILTRATION. Roof top rainwater harvesting : by MERLIN. S .W 32 Roof top rainwater harvesting Roof to rainwater harvesting : by MERLIN. S .W 33 Roof to rainwater harvesting BAWRI- A TRADITIONAL WAY OF COLLECTING WATER : by MERLIN. S .W 34 BAWRI- A TRADITIONAL WAY OF COLLECTING WATER INFILTRATION PITS : by MERLIN. S .W 35 INFILTRATION PITS IT SOAKS WATER & DIRECT IT TO UNDER GROUND TO RECHARGE GROUND WATER Pit filled with gravel GRASSY PATCHES & OTHER VEGETATIONS : by MERLIN. S .W 36 GRASSY PATCHES & OTHER VEGETATIONS HELPS IN INFILTRATION DRIP IRRIGATION- saves water : by MERLIN. S .W 37 DRIP IRRIGATION- saves water A TECHNIQUE OF WATERING PLANTS BY USING NARROW TUBES WHICH SUPPLY WATER AT THE BASE OF PLANTS AS TINY DROPS. DRIP IRRIGATION : by MERLIN. S .W 38 DRIP IRRIGATION Slide 39: by MERLIN. S .W 39 Save every drop of water ! : by MERLIN. S .W 40 Save every drop of water ! SAVE WATER ! SAVE LIFE ! : by MERLIN. S .W 41 SAVE WATER ! SAVE LIFE ! SAVE WATER ! SAVE LIFE ! : by MERLIN. S .W 42 SAVE WATER ! SAVE LIFE ! LABEL THE DIAGRAM : by MERLIN. S .W 43 LABEL THE DIAGRAM SUN’S HEAT CLOUDS WATER BODY EVAPORATION CONDENSATION RAIN FALL 6 FILL IN THE BLANKS : by MERLIN. S .W 44 FILL IN THE BLANKS 1.The solid form of water is ---------------- 2. the process of changing water to water vapour is called ----------------. 3. The process of recharging ground water can be done by ---------------------. 4.The source of water for bore well is ----------- 5.Amethod of irrigation which saves good amount of water is ------------------ 6. One reason for depletion of ground water is is ---------------- ICE EVAPORATION rainwater harvesting ground water drip irrigation increase in population MATCH THE FOLLOWING : by MERLIN. S .W 45 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 Slide 46: by MERLIN. S .W 46 THANK YOU : by MERLIN. S .W 47 THANK YOU