3. Fibre to Fabric-Natural Fibres and Synthetic Fibres Science Class 7 In English-CBSE Notes


Last Updated : March 23, 2026

Explore science cbse notes for Class 7 Chapter 3. Fibre to Fabric Topic Natural Fibres and Synthetic Fibres in English medium for exams preparation.

3. Fibre to Fabric-Natural Fibres and Synthetic Fibres Science Class 7 In English-CBSE Notes

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3. Fibre to Fabric-Natural Fibres and Synthetic Fibres Science Class 7 In English-CBSE Notes

3. Fibre to Fabric

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Natural Fibres and Synthetic Fibres

1. Natural fibres : The fibres which are obtained from plants and animals are called natural fibres. 

Examples of natural fibres: 

(i) Fibres obtained from plants : Cottons, Jute etc.

(ii) Fibres obtained from animals : Wool and silk.

2. Synthetic Fibres : Nylon, polyesters, Acrilyc etc. 

Obtaining Wool: Wool is obtained from the fleece (hair) of sheep or yak.

Obtaining Silk : Silk fibres come from cocoons of the silk moth.

Animals by which obtain wool : Wool comes from sheep, goat, yak and some other animals.

The hairy skin of the sheep has two types of fibres that form its fleece:

(i) the coarse beard hair, and
(ii) the fine soft under-hair close to the skin.

Selective breeding:

The process of selecting parents for obtaining special characters in their offspring, such a soft under hair in the sheep, is ‘termed selective’.

  • sheep wool and Yak wool is common in Tibet and Ladakh.
  • Angora wool is obtained from angora goats, Found in hilly regions such as Jammu and Kashmir.
  • The fur (hair) on the body of camels is also used as wool. Llama and Alpaca, found in South America, also yield wool.

Pashmina shawls : Wool is also obtained from goat hair. The under fur of Kashmiri goat is soft. It is woven into fine shawls called Pashmina shawls.

Name of Animals which yield wool :

(i) Angora goat

(ii) Goat

(iii) Sheep 

(iv) Camel 

(v) yak 

(vi)  Llama 

(vii) Alpaca 

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3. Fibre to Fabric-Natural Fibres and Synthetic Fibres Science Class 7 In English-CBSE Notes


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CBSE Notes for Class 7 science Chapter 3. Fibre to Fabric – Natural Fibres and Synthetic Fibres

The CBSE Notes for Class 7 science Chapter 3. Fibre to Fabric – Natural Fibres and Synthetic Fibres are prepared to help students understand every concept in a simple, clear, and well-organized manner. These notes are based on the latest CBSE syllabus and are suitable for regular classroom learning, homework, revision, and examination preparation. Every topic is explained using easy language so that students can learn important concepts without difficulty and develop a strong academic foundation.

Studying directly from the textbook is essential, but during revision students often need concise study material that highlights only the most important information. These chapter-wise notes provide exactly that. Instead of reading lengthy chapters repeatedly, students can quickly revise definitions, concepts, facts, examples, and important points in a short period of time. This approach saves valuable study time while improving understanding and retention.

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