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Waste management


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Waste management

  1. 1. Waste Management<br />Subject : Science<br />Std : VIII<br />1/12/2010<br />Free template from<br />
  2. 2. Created by,<br />M.Kohila,M.A.,M.Phil.(Tam),B.A.(Eng),B,Ed.<br />Secondary Grade Teacher,<br />S.M.R.V.H.S.S.,<br />Vadasery,<br />Nagercoil,<br />Kanyakumary District-629001<br />
  3. 3. Objectives<br /><ul><li> Make the students to get the awareness on</li></ul> waste management.<br /><ul><li> To know about the different types of waste </li></ul> management.<br /><ul><li> Make them to understand the content easily.
  4. 4. Create the interest to work towards waste </li></ul>management.<br />
  5. 5. Strategies<br /><ul><li> Survey
  6. 6. Field trip
  7. 7. Power point Presentation</li></li></ul><li>What are wastes?<br />Fruit or vegetable residue<br />Tins<br />Glass<br />Cans<br />Used up paper<br />Food wastes<br />Leather<br />Plastics<br />Etc……<br />
  8. 8. Types of wastes<br /><ul><li>Degradable wastes
  9. 9. Non-degradable wastes</li></li></ul><li>Biodegradable Wastes<br />Biodegradable waste is a type of waste, typically originating from plant or animal sources, which may be broken down by other living organisms<br />Fruit or vegetable residue<br />Used up paper<br />Etc……<br />Leather<br />Food wastes<br />
  10. 10. Non-biodegradable Wastes<br />Waste that cannot be broken down by other living organisms may be called non-biodegradable.<br />Glass<br />Tins<br />Plastics<br />Cans<br />
  11. 11. Ways to minimize waste<br />Reduce<br />Reuse is to use an item more than once<br />Reuse<br />Reducing the amount of waste produced by a person or a society.<br />Recycle<br />Recycling involves processing used materials into new products to prevent waste of potentially useful materials<br />
  12. 12. Waste management methods<br />Land fill method<br />Disposing of waste in a landfill involves burying the waste<br />
  13. 13. Incineration<br />Incineration is a disposal method that involves combustion of waste material. Incineration and other high temperature waste treatment systems are sometimes described as "thermal treatment". Incinerators convert waste materials into heat, gas, steam, and ash.<br />Spittelau incineration plant in Vienna.<br />
  14. 14. Composting<br />
  15. 15. Sewage water recycling<br />
  16. 16. Field visit-1<br />Venue:Karhika coir pith products<br />Keezhamanakudi<br />Uses of coir pith<br /><ul><li>Contains macronutrients — Nitrogen, Phosphorus and Potassium
  17. 17. Contains micronutrients  — Calcium, Copper and magnesium
  18. 18. Contains natural enzymes
  19. 19. Excellent water holding capacity
  20. 20. Improves aeration
  21. 21. Enhances strong heap root system
  22. 22. Stimulates production of phytohormones
  23. 23. Ideal pH level — 5.6 to 6.4 
  24. 24. Eco-Friendly </li></li></ul><li>Field Visit-2<br />Venue:Vivekananda Kendra,<br />Kanyakumary<br />Lecture on Vermiculture<br /> is given by <br />Mr.Rajamony,<br />Nardep,<br />Vivekananda Kendra,<br />Kanyakumary<br />Please click here <br />to watch the video<br />
  25. 25. Vermiculture at Kendra<br />Click here<br />Click here<br />
  26. 26. Herbal Garden<br /> at Kendra<br />Students with<br /> Herbal plants<br />
  27. 27. Teacher presentation on waste management at classroom<br />
  28. 28. Thank you<br />