wastemanagemen ty6
DESCRIPTION
waste management for year 6TRANSCRIPT
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