P S NAGALAKSHMI A RIVER’S TALE. RIVERS ORIGINATE FROM THE MOUNTAINS.

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Presentation transcript:

P S NAGALAKSHMI A RIVER’S TALE

RIVERS ORIGINATE FROM THE MOUNTAINS

RIVERS ARE CLEAN AND PURE WHEN THEY ORIGINATE

WE WASH CLOTHS IN RIVERS

WE THROW GARBAGE INTO THE RIVER

WE IMMERSE IDOLS INTO THE RIVERS

INUSTRIAL WASTE IS PUMPED IN TO THE RIVER.

CHEMICALS POLLUTE THE RIVER

DIRTYING OF WATER BY HUMAN ACTIVITIES IS CALLED POLLUTION.

SUBSTANCES THAT DIRTIES THE WATER ARE CALLED POLLUTANTS. EXAMPLE: SOAP DETERGENTS CHEMICALS PLASTIC WASTE

FISHES

FISHES DIE, AS THE RIVERS ARE POLLUTED.

DUE TO POLLUTION COLOUR OF THE WATER CHANGES.

FACTORIES LET OUT WASTE IN TO THE RIVERS.

EVALUATION 1.Nowadays, do we drink river water directly? Why? 2. What do you mean by pollution? 3.Name the substances that pollutes the water? 4 What are the different ways in which water gets polluted? 5. How can you prevent water pollution?