1.

Do this group activity by making 4-6 groups according to the strength of your class and present in your class.Group 1 – Explanation of animals for obtaining wool.Group 2 – Production of wool.Group 3 – Cloth from cotton plants.Group 4 – Obtaining silk cloth from silk worm. Group 5 – List of natural and artificial fiber.Group 6 – List of things formed from moonj

Answer»

Group 1 – Animals that provide wool are sheep, goat, camel, yak, rabbit.

Group 2 – Steps of Production of wool:

(a) Shearing – The hair are shaved from animals. 

(b) Scouring – The fibers are made free from oil, dust, etc.

(c) Sorting – Different types of hair are sorted.

(d) Colouring – Wool is coloured in different colours.

(e) Reeling – The process of making threads straight and making its roll is called reeling.

Group 3 – Process of making cloth from cotton plants Following are the processes for obtaining cloth from cotton plants : 

(a) Cotton from cotton balls – Cotton is generally picked by hand. Fibers are then separated from the seeds by combing. This process is called ginning of cotton.

(b) Spinning – The process of making yarn from fiber is called spinning.

(c) Weaving – The process of arranging two sets of yarns together to make a fabric is called weaving. In knitting, a single yam is used to make a piece of fabric.

Group 4 – Obtaining silk cloth from silk worm. Before the cocoon changes to adult, it is kept in sun or hot water or steam to obtain silk. The production of silk thread from fibers is called reeling.

Group 5 – List of natural and artificial fibers. Natural fibers-cotton, jute, moonj, wool, silk. Artificial fibers-rayon, dacron, nylon, terycot, plastic.

Group 6 – List of things formed from moonj. Huts, traditional furniture (table, mudda), eco-friendly toys, ropes and used in cots, chairs and decorative items etc.



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