Home CBSE 7th Class SCIENCE (7th)

Introduction

Introduction

 

Fibers can either be obtained from plants or animals and are known as natural fibers. Jute, cotton is the commonly known natural fibers obtained from plants whereas wool, silk is the commonly known natural fibers obtained from animals.

 

    

Cotton shirt                              Jute bag 

 

Wool is obtained from the fleece of animals possessing hairy fibers on their body whereas silk is obtained from the cocoon of the silk moth.

 

         

 Wool                                 silk 

 

This fiber obtained from natural sources undergoes further processing, dyed into several attractive colors and designs before being used by people.