NCERT Class 6 Science Chapter 16: Garbage In, Garbage Out YouTube Lecture Handouts

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Garbage

  • Food waste

  • Throwing tickets

  • Sharpening pencils

  • Spilling ink

  • Domestic waste

  • Packaging waste

- Separation of waste

- Separation of Waste

- Separation of waste

  • Swachh Bharat Abhiyan

  • Safaikaramcharis take it to landfills

  • Separation of waste – what can be reused and what cannot be

  • Segregation of Waste – what rots and smells and what does not rot

  • Blue bin is for materials that can be used again — such as plastics, metals and glass

  • Green bins are for collecting kitchen and other plant or animal wastes

  • Biowaste can be converted to manure and called as compost

    👉 Compost from kitchen garbage using redworms is vermicomposting –

  • Redworms do not have teeth. They have a structure called ‘gizzard’, which helps them in grinding their food.

  • Redworms can eat food equal to its own weight daily

  • It cannot survive in too hot and too cold climate and requires moisture

  • Saves money as no chemical fertilizers are procured for agriculture

  • Delhi Smog recently

  • Foul smell – bacterial activity

  • Cloth fibres are being manufactured in Germany, USA and India from waste packaging material and plastic water bottles.

  • Best out of Waste – Rock Garden of Chandigarh

  • Books written by Arvind Gupta - “Kabaad se Jugaad” and “Dump se Pump” – published by NBT

- type of waste

- Type of Waste

- type of waste

👉 Papier-mâchè, a paste made of clay and paper in which I have mixed some rice husk (soak the paper pieces, color, add leaves and flowers)

  • Photoframe

  • Greeting card

  • Recycle newspapers

  • Envelopes

  • Notebooks

  • From plastic bag to cloth or paper bags

Plastics

  • Toys, shoes, bags, pens, combs, tooth brushes, buckets, bottles, and water pipes

  • Some can be recycled

  • Not to store food in plastics

  • Harmful on heating or burning

  • Can led to cancer

  • Stray animals swallow them

  • Choke the drains

Tackle the Problem

  • Minimize use of plastic bags

  • Use paper bags

  • Not store eatables

  • Not throw plastic here and there

  • Not burn

  • Recycle paper

  • Use vermicomposting

  • Don’t waste paper

  • Proper disposal

  • More garbage we generate – difficult it is to get rid of it