NCERT Solutions are designed to benefit students by providing chapter-wise additional solutions focussing primarily on testing conceptual knowledge with applications. Here, we have provided some of the important questions in which the solutions of NCERT can benefit students of class 6 in general.
CBSE NCERT Solutions for Class 6 Science Chapter 3:
Explain the following:
a) Knitting is a method by which yarn is used to create a fabric, by turning yarn into cloth. Knitted fabric consists of a number of consecutive rows of interlocking loops and creates multiple loops of yarn, called stitches, in a line or tube.
b) Weaving is a method of textile production in which two distinct sets of yarns or threads are interlaced at right angles to form a fabric or cloth. The way the threads are interlaced is known as the weave.
Question-2: What are synthetic fibres? Give examples.
Solution: Fibres that are made from chemical substances, which are not obtained from plant or animal sources, are called synthetic fibres. Synthetic fibres are made from synthesized polymers or small molecules.
Examples: Nylon, Polyester, Acrylic
Question-3: What are natural fibres? Give Examples
Solution: The fibres of some fabrics such as cotton, jute, silk and wool are obtained from plants and animals. These are called natural fibres. Cotton and jute are examples of fibres obtained from plants. Wool and silk fibres are obtained from animals.
Question-4: Coir is obtained from which part of the coconut plant? What are these coir fibres used for?
Coir is extracted from the husk of coconut. It is the fibrous material found between the hard, internal shell and the outer coat of a coconut. Coir fibres are used for making brushes, strings, ropes, fishing nets, mats, baskets, etc.