GARBAGE IN ,GARBAGE OUT CLASS VI GARBAGE • WASTE EXPELLD FROM HOUSES, SHOPS,SCHOOLS,HOTELS, OFFICES, MARKETS etc. VARIOUS THINGS ADD TO GARBAGE There are two types of wastes Decomposing Not decomposing PUT Decomposing waste IN GREEN DUST BIN PUT Non decomposing waste IN BLUE DUST BIN DEALING WITH GARBAGE • 1. SORT OUT THE WASTE THAT CAN NOT BE DECOMPOSED. • 2. FROM THESE, SEPARATE THE USEFUL MATERIALS. 3 .RECYCLE THE USEFUL MATERIALS. 4.DISPOSE THE USELESS NONDECOMPOSING MATERIALS IN LANDFILLS • LAND FILLS ARE AREA WHERE THE GARBAGE COLLECTED FROM A CITY IS BURIED . 5. DECOMPOSING WASTE CAN BE PUT IN COMPOST PITS • CONVERTING PLANT AND ANIMAL WASTE INTO MANURE USING EARTHWORMS IS CALLED VERMICOMPOSTING. 6. BURNING WASTES POLLUTES AIR DON,T DO THAT VERMICOMPOSTING • METHOD OF PREPARING COMPOST USING EARTH WORMS. • 1.DIG A PIT OR TAKE A WOODEN BOX SPREAD A NET OR MESH AT THE BOTTOM. SPREAD SAND. 2.SPREAD VEGETABLEWASTE.LEAVES etc. 3.SPRINKLEWATER. DO NOT PRESS THE WASTE • 4.PUT EARTH WORMS AND COVER THEM WITH A GUNNYBAG. • 5.AFTER 3-4 WEEKS, EARTH WORMS TURN THE WASTE TO MANURE. VEERMICOMPOST PRECAUTION • DONOT PUT SALT,VINEGAR, OIL MEAT, MILK etc. • AVIOD TOO MUCH HOT/COLD SURROUNDINGS. • MIXTURE MUST BE LOOSE FOR PROPER AERATION RED WORMS RECYCLE PAPER • Recycled paper, paper bags ADVANTAGES OF PLASTICS • Used to make many useful materials in day today life. • Lightweight • Strong • Colour ful • Cheap • Easy to transport DISADVANTAGES OF PLASTIC • Plastic waste can block drains • Plastic enter into the digestive system of animals can kill them. • Some plastics are toxic. • Plastic waste the destroy the scenic beauty of a place. • Plastic waste do not decompose .So it is difficult to dispose plastic waste. PLASTICS INSIDE THE DIGESTIVE SYSTEM OF BIRDS KILL THEM TIPS TO REMEMBER • 1.USE MINIMUM PLASTICS. REUSE THE PLASTIC . REUSE PLASTIC 2.USE PAPER/CLOTH/JUTE BAGS INSTEAD OF PLASTIC BAGS 3.DO NOT STORE FOOD IN PLASTIC BAGS 4.DONOT THROW OR BURN PLASTICS • IT CAN BLOCK DRAINS, CAUSE POLLUTION BE EATEN BY ANIMALS etc. 5.DO NOT PUT GARBAGE IN PLASTIC BAGS AND THROW AWAY. 7.DO VERMICOMPOSTING 8.RECYCLE WASTE PAPER 9.DO NOT WASTE PAPER 10.GENERATE LESS WASTE .FOLLOW PROPER PRACTICE OF WASTE DISPOSAL • REDUCE • REUSE • RECYCLE & RECOVER ANSWER THESE QUESTIONS • 1.What is garbage? • 2.What kinds of wastes are disposed in landfills? • 3.What is the colour code for dustbins to collect decomposing and nondecomposing wastes? • 4.What is meant by vermicomposting? • 5.Write any three advantages and three disadvantages of plastics. • 6.Suggest effective methods to manage our wastes. MCQ • 1.Which kind of garbage is not converted into compost by red worms? • a]vegetable peel b]fruit waste c]plastic • 2.The best way of handling paper waste • a]burn it b]recycle it d] composting • 3. Earthworms have this part to grind the food • a] mouth b]teeth c] gizzard MATCH THE FOLLOWING • 1.EARTHWORM • 2.PLASTIC • 3.RECYCLING PAPER • 4.BURNING WASTE • 5. LADNFILL • 1.DO NOT DECOMPOSE • 2.VERMICOMPOST • 3.TO BURY WASTE • 4.SAVE TREES • 5.CAUSE AIR POLLUTION FILL IN THE BLANKS • 1.THE METHOD OF MAKING COMPOST USING RED WORMS IS CALLED------------------------------. • 2.GREEN DUST BIN IS USED FOR STORING--------------------------------------------WASTES. • 3.BURNING OF WASTES CAUSE-------------------OF AIR. • 4.THE BEST WAY TO DEAL WITH PLASTIC WASTE IS --------------------------. • 5.ONE ADVANTAGE OF PLASTIC IS --------------.