science - garbage in, garbage out

Class 6 - Science

Garbage In, Garbage Out

Q&A
Question:

Can you replace the following packaging material with those which can be recycled or reused.
(1) Milk packets of polythene.
(2) Dry eatables in polythene.
(3) Gift items packed with shiny material.
(4) Glass tumblers packed in thermocole box.

Answer:

(1) Glass bottles or recycling polythene.
(2) Paper bags coated with thin sheet of aluminium or recycling polythene.
(3) Beautifully designed paper or recycling shiny material.
(4) Glass tumblers packed in straws placed card-board boxes. As thermocole cannot be recycled.



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Questions and Answers


Garbage In, Garbage Out - Questions
1.

List the biodegradable and non-biodegradable waste products in your school What are the best ways to get rid of this garbage?


Answer
2.

Give example of material that can be used again.


Answer
3.

List waste products produced from an industry.


Answer
4.

Can you replace the following packaging material with those which can be recycled or reused.
(1) Milk packets of polythene.
(2) Dry eatables in polythene.
(3) Gift items packed with shiny material.
(4) Glass tumblers packed in thermocole box.


Answer
5.

(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 for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?


Answer
6.

Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.


Answer
7.

(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 for the above question. Do you see any difference in the material of recycled paper and a new sheet of paper?


Answer
8.

What type of garbage is thrown in green bins?


Answer
9.

Define composting.


Answer
10.

Waste may contain the following things:


Answer
11.

What are the demerits of plastic?


Answer
12.

Municipality provides two types of dustbins for garbage collection. One coloured with blue colour and other with green colour. From following wastes which you will put in the which dustbin?
Plastic materials, metals and glass items, wastes of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and hopes.


Answer
13.

Can you make something useful of these waste material?Powder containers, cold-drink cans, plastic bottles, shoe-box.


Answer
14.

(a) Which kind of garbage is not converted into compost by the redworms?
(b) Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of these.


Answer
15.

What suggestions you will give to members of locality to solve the problem of waste material?


Answer
16.

(a) Collect different kinds of packaging material. What was the purpose for which  each one mas 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
17.

What is a landfill?  


Answer
18.

Give example of material that can be used again.


Answer
19.

What are redworms?


Answer
20.

What will happen if garbage is left open in bin?


Answer
21.

What can we do to reduce overuse of plastics?


Answer
22.

Why should we be careful in using plastic bags to store cooked food items?


Answer
23.

What are blue coloured bins used for?


Answer
24.

What do you mean by composting?


Answer
25.

What is papier-mache? How does it help us?


Answer
26.

List the steps for preparing vermicompost.


Answer
27.

What are the uses of plastic?


Answer
28.

Explain one wag of recycling of waste paper.


Answer
29.

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


Answer
30.

What do we do to the useful components (biodegradable) of the garbage?


Answer
31.

Explain the term vermicomposting.


Answer
32.

(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 plotter at a party, which one would you prefer and why?


Answer
33.

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
34.

Why should we not bum dried plant leaves and husk? What is the best way to get rid of them?


Answer
35.

How can the non-useful component be reused?


Answer
36.

We should not add wastes containing salts, pickles, oil, vinegar, meat and milk products in vermicomposting pit to feed the redworms. Why?


Answer
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