science - fibre to fabric

Class 6 - Science

Fibre to Fabric

Q&A
Question:

Describe the process of the formation of yam from cotton wool.

Answer:

The cotton wool is obtained from cotton plants. The cotton plants are grown in fields. They are usually grown at the places having black soil and warm climate. The fmits of the cotton plants called cotton bolls are about the size of lemons. After maturing, the bolls burst open and seeds covered with cotton fibres can b,e seen. From the cotton bolls cotton is picked by hands. Fibres are then separated from the seeds by combing. This process is called ginning of cotton. It is done by hand or by machines. These fibres are then converted into yam.

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Questions and Answers


Fibre to Fabric - Questions
1.

Define ginning of cotton.


Answer
2.

Name some fabrics in your surroundings.


Answer
3.

What were the materials used by people in ancient times in place of clothes?


Answer
4.

When we bum wool why do we get the smell of hair bum?


Answer
5.

Name two varieties of cloth materials which are commonly used.


Answer
6.

Name two natural fibres.


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7.

What are fruits of cotton plants called?


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8.

Name the process used to prepare fabrics from yams.


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9.

What are fabrics?


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10.

What do you observe when you are visiting a nearby tailoring shop?


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11.

List the steps involved in the preparation of fabric.


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12.

How are natural fibres better than synthetic fibres?


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13.

What are natural fibres? Explain with examples.


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14.

When we bum nylon, why we do not get the smell of burning paper or burning hair?


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15.

Name two synthetic fibres.


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16.

What are yarns made of?


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17.

What type of soil is used to grow cotton plants?


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18.

How are fabrics prepared?


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19.

Name two methods of knitting.


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20.

How many types of fibres are there?


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21.

What is spinning?


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22.

What are synthetic fibres?


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23.

What are looms?


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24.

From which part of the plant cotton and jute are obtained?


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25.

Explain the process of making yam from fibre.


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26.

What happens when a yam from a tom sock is pulled?


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27.

Where does cotton wool come from.?


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28.

Name the states where jute plants are mainly grown in India.


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29.

Describe the process of spinning and weaving.


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30.

Fill in the blanks:
(a) Plant fibres are obtained from____________ and___________ .
(b) Animal fibres are___________ and___________ .


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31.

Name some modem fabrics formed by unstitched piece of fabric. 


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32.

Name two items that are made from coconut fibre.


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33.

Name the thing which is used to make fabric.


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34.

Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute.


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35.

What is jute?


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36.

What is knitting?


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37.

Name two hand-operated devices used for spinning.


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38.

Cotton on burning gives paper burning smell and cotton is obtained from plants.  Is paper also obtained from plants?


Answer
39.

What material you use for making wicks for oil lamps?


Answer
40.

What happened when people began to settle in agricultural communities?


Answer
41.

State whether the following statements are ‘true' or false':
(a) Yam is made from fibres.
(b) Spinning is a process of making fibres.
(c) Jute is the outer covering of coconut.
(d) The process of removing seeds from cotton is called ginning.
(d) Weaving of yam makes a piece of fabric.
(e) Silk fibre is obtained from the stem of a plant.
(g) Polyester is a natural fibre.


Answer
42.

Where were the cotton and flax plants cultivated in ancient Egypt?


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43.

What is weaving?


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44.

Are all fibres produced by plants?


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45.

Describe the process of the formation of yam from cotton wool.


Answer
46.

Explain how jute is obtained from the jute plant.


Answer