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Waste ManagementSubject : Science

Std : VIII

M.Kohila,M.A.,M.Phil.(Tam),B.A.(Eng),B,Ed.

Secondary Grade Teacher,S.M.R.V.H.S.S.,Vadasery,Nagercoil,Kanyakumary District-629001

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OBJECTIVES

• Make the students to get the awareness on waste management.• To know about the different types of waste management.• Make them to understand the content easily.• Create the interest to work towards waste management.

Strategies

• Survey • Field trip• Power point Presentation

What are wastes?

Food wastes

Fruit or vegetable residue

Used up paperPlastics Leather

TinsCansGlass

Etc……

Types of wastes

•Degradable wastes•Non-degradable wastes

Biodegradable Wastes

Food wastes

Fruit or vegetable residue

Used up paper

LeatherEtc……

Biodegradable waste is a type of waste, typically

originating from plant or animal sources, which may be broken down by other living organisms

Non-biodegradable Wastes

Plastics

Tins

Cans

Glass

Waste that cannot be broken down by other

living organisms may be called non-

biodegradable.

Reduce

Reuse

Recycle

Ways to minimize waste

Reuse is to use an item more than once

Reducing the amount of waste produced by a person or a society.

Recycling involves processing used materials into new products to prevent waste of potentially useful materials

Waste management methodsLand fill method

Disposing of waste in a landfill involves burying the waste

IncinerationIncineration 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.

Spittelau incineration plant in Vienna.

Composting

Sewage water recycling

Field visit-1Venue:Karhika coir pith products

Keezha manakudi

• Contains macronutrients — Nitrogen, Phosphorus and Potassium

• Contains micronutrients  — Calcium, Copper and magnesium

• Contains natural enzymes • Excellent water holding capacity • Improves aeration • Enhances strong heap root system • Stimulates production of phytohormones • Ideal pH level — 5.6 to 6.4  • Eco-Friendly

Uses of coir pith

Field Visit-2Venue:Vivekananda Kendra,

Kanyakumary

Lecture on Vermiculture is given by Mr.Rajamony,Nardep,Vivekananda Kendra,Kanyakumary

Please click here to watch the video

Click here Click here

Vermiculture at Kendra

Herbal Garden at Kendra

Students with Herbal plants

Teacher presentation on waste management

at classroom

THA

NK

YO

U