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Good morning, students……. Lets solve one riddle. There can be no life without me. . All living beings needs me. Plants dry up without me. So, who am I????. Yes, you are right!!!!! I am water…. Yes, I am dirty water or you can call me waste water. If I am water, then who is this????.
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Lets solve one riddle There can be no life without me. • All living beings needs me. • Plants dry up without me. • So, who am I????
Yes, you are right!!!!! I am water…..
Yes, I am dirty water or you can call me waste water. If I am water, then who is this????
What is the difference between 2 pictures???? Yes. This is clean water…. And this is dirty water….
So, in today's class we’ll be learning about the journey of waste water in the chapter WASTE WATER STORY
How, did I turn into waste water????? Write some of the activities in which water becomes dirty????
Waste Water Kitchen sink Washing Dumping of waste Industries
Why do you think, water is important in our life???? Now on the worksheet, list down the uses of water
AT HOME Drinking Washing hands Cooking Bathing Washing clothes Watering plants
So, what can you conclude from this???? WATER, OUR LIFELINE
Which water will you prefer to drink???? Yes, You are right!!!! Clean water....
BUT, WHY??? Because, waste water contains impurities…
What does organic impurity, inorganic impurity, nutrients, microbes and bacterias collectively form???
SEWAGE Organic waste Bacteria Inorganic waste Microbes
Sewage INDUSTRIES HOMES HOSPITALS OFFICES
Which is correct?????? Throwing cooking oil in sink Throwing cooking oil in dustbin
Yes, You are right!!!! Throw oil and fats in the dustbin. Because, they can harden and block the pipes.
Which is correct?????? Throwing everything in sink Throwing waste in dustbin
Yes, You are right!!!! Throw waste in the dustbin. Because, these wastes chock the drains and hampers degradation process.
WORKSHEET ? Organic Impurities SEWAGE Microbes and Bacteria ?
ANSWERS • Inorganic impurities • Nutrients
HOMES ? Sewage is released by….. ? OFFICES
ANSWERS • Hospitals • Industries