Transcript chapter 16 garbage in ,garbage out

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 --------------.