Wastemanagemen ty6

Post on 11-May-2015

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waste management for year 6

Transcript of Wastemanagemen ty6

WASTE MANAGEMENT

WASTE MANAGEMENT

UNWANTED MATERIALS IN THE FORMS OF SOLID,LIQUID AND GAS.

TYPE OF WASTEDOMESTIC WASTE

CHEMICAL WASTE

ORGANIC WASTE

METAL

PAPER

GLASS

PLASTIC

XIMPROPER WAYS OF WASTE DISPOSAL

Littering

Open burning

Releasing waste into the river

Releasing gas and smoke into the air

PROPER WAYS OF WASTE DISPOSAL

Place rubbish in close rubbish bins.

Dispose waste in landfill

Burn waste in incinerator

Treat waste materials before disposing

Fix catalytic converters to motor vehicles

Filter smoke before releasing to air.

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WASTE VIDEO

LANDFILL

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KUCHING WATER TREATMENTS

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WASTE

BIODEGRADABLE(WASTE THAT DECAY)

Vegetables and fruitMeat and bonesPaperWood

BACTERIA AND FUNGI DECOMPOSE

THE WASTE AND CAUSE WASTE TO

DECAY

DECAYING BREAKS DOWN THE ORGANIC

MATTERS INTO WASTE AND

CAUSES NUTRIENTS

RETURN TO SOIL

ADVANTAGES OF WASTE DECAYING

Reduces waste

Prevents accumulation of waste

Fertilises the soil when nutrients are returned to soil

Environmental friendly

Provides biomass energy.

DECAYING VIDEO 1

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DECAYING VIDEO 2

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DECAYING VIDEO 3

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DECAYING VIDEO 4

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METALGLASSPLATIC

NON-BIODEGRADABLE(WASTE THAT NOT DECAY)

Emits foul smell

Emits gas and heat

Attracts pest and rodents

Causes spread of sickness and diseases

DISADVANTAGES OF WASTE DECAYING

Waste accumulates on the earth

Dead bodies and plants pile up on the Earth

Cause air,water and land pollutions

Destruction on the habitats of plants and animals

EFFECTS IF WASTE DO NOT DECAY

No nutrients returning to the soil and cause plants can grow ell

The survival of plants,humans and animals will be threatened

EFFECTS IF WASTE DO NOT DECAY 2

TRYTO

REMEMBER!

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SAYANGI BUMI KITA