CBSE Class 7 Science Notes Chapter 3: The PDF revision notes for CBSE Class 7 Science Chapter 3: Fibre to Fabric are currently free to download from here. The topic of fibre and fabric is covered in the third chapter of the Class 7 Science syllabus. A thorough explanation of the process of creating fabrics from different types of fibres is given in this chapter.
The methods for obtaining different fibres from plants and animals are also covered in this chapter. All of the subjects and subtopics addressed in this chapter have brief, point-by-point revision notes written by our subject matter specialists.Fibres from Plants
Jute
Basics of Fabric
Fibres
Fibre to Yarn to Fabric
Cotton and Its Processing
Fibre from Animals
Wool (Wool from Animals)
Rearing and Breeding of Sheep for Wool
Processing fibres into wool
Occupational Hazards of Fibre Production
Silk
Silk from Animals
Development of Silk Moth
Sericulture
Processing Silk Obtained from Cocoons
Natural Fibres Vs. Synthetic Fibres
Natural Fibres
Synthetic Fibres
CBSE Class 7 Science Notes Chapter 3 PDF
Wool
Natural animal fibre comes from camels, yaks, sheep, and goats, among other animals. The outer layer of hair on all of these animals is shaved off to reveal the wool fibres.Silk
Natural protein fibre is cultivated from the cocoon of mulberry silkworm larvae.