FULL FORM OF NSCCL

CLASS - 6 SCIENCE CHAPTER - 16GARBAGE IN,GARBAGE OUTQUESTIONS AND ANSWERS

Question no. 1

(a) Which kinds of garbage is not converted into compost by the red worms ?

(b) Have you seen any other organism besides red worms,in your pit? If yes,try to find out their names. Draw pictures of these.

Answer no. 1

(a) Plastic bags and articles,tin,glass,aluminium foils are not converted in compost by red worms.
(b) Earthworms, small insects like ant,millipedes are found in pits.

Question no. 2

Discuss:
(a) Is garbage disposal the responsibility only of the government?
(b) Is it possible to reduce the problems relating to disposal of garbage?

Answer no. 2  

(a) No,garbage disposal is not responsibility for the government only,but every citizen are responsible for it. Garbage is segregated in wet and dry waste,recycle non biodegradable and it should be disposed accordingly. House and surroundings should be cleaned. There should be no accumulation of garbage in home or street it should be properly disposed in garbage pit.

(b) Yes,it is possible to reduce the problems of garbage by scientific disposal of garbage,it can be done by segregating the waste in wet and dry garbage,recycle and it should be disposed properly.

Question no. 3

(a) What do you do with the left over food at home?
(b) If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party,which one would you prefer and why?

Answer no. 3

(a) Left over food is preserved in refrigerator and it is used before they get spoiled.
(b) I choose banana leaf because it environmental friendly and easy to dispose.

Question no. 4

(a) Collect pieces of different kinds of paper. Find out which of these can be recycled.
(b) With the help of a lens look at the pieces of paper you collected fro the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?

Answer no. 4

(a) All kinds of paper can be recycled except plastic paper.
(b) Recycled paper is thick compared to non recycled paper.

Question no. 5

(a) Collect different kinds of packaging material. What was the purpose for which each one was used? Discuss in groups.
(b) Give an example in which packaging could have been reduced?
(c) Write a story on how packaging increases the amount of garbage?

Answer no. 5

(a) Different kind of packaging materials are used to keep the items safe inside the packing. Some packing materials which are commonly used are -

Cardboard packing material used for - Shoe,soap,bulb and other boxes
Plastic bags used for - Toys covers,sarees bag,shopping bags etc.
Wooden boxes used for - Fruit basket and boxes for hardware and other delicate items.
Jute bags used for - school bags, shopping bag, vegetable bags etc.

(b)  In so many cases  unnecessary packing is done than the requirement. Some materials are packed in two to three tier packing it should be avoided to reduce the packing. If the packing material is not delicate then the packing material should be removed and delivered to customers. This removed packing material is to be sent to concern company for reuse that packing material. To adopting this technique we can reduce the use of plastic as well garbage.

(c) Packing materials are basically used to protect the items for tempering. Sometime it is used to beautify the boxes and make them look attractive. A large volume of packing material goes waste and it is thrown into dustbin. It unnecessarily increases the amount of garbage. It also increases the cost of the  the product.
Except the delicate items. The other items while delivering to customer, the package should be removed and it sent back to the company for another packing. Hence we can avoid the increasing amount of garbage due to packing material.

Question no. 6

Do you think it is better to use compost instead of chemical fertilizers? Why?

Answer no. 6

Yes, it is better to use compost instead of chemical fertilizers for the following reason - 

1 - compost is easily prepared.
2 - compost is environmental friendly because it does not cause any health issue in humans and animals.
3 - compost does not cause pollution.
4 - compost increases soil fertility.
5 - compost is biodegradable.

Also see answers of the following chapters -

Garbage in Garbage out
Air around us
Water
Fun with Magnets
Electricity and Circuits
Light, Shadow and Reflection
Motion and Measurement of Distances
The Living Organisms and their Surroundings
Body Movements
Getting to know Plants
Changes Around Us
Separation of Substances
Sorting Material into Groups
Fibre to Fabric
Components of Food
Food : Where does it com from ?