Question

Class VI students went to picnic in the month of June.Shalini wore a beautiful synthetic dress.

When Shalini’s friend Ria arrived, Ria praised her dress and suggested that though her dress was

very beautiful.She praised her and suggested her to wear a cotton dress instead of synthetic dress.

(a)Write down the properties of cotton.

(b)Write down the properties of synthetic fibre.

(c)Why did Ria suggest Shalini to wear cotton cloth?

(d)Clothes can also made from material other

than plant fibres.Can you name them?​

Answer 1

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Q1 : Write the properties of cotton.

Ans : Cotton Fibers are natural hollow fibers, they are soft, cool, known as breathable fibers and absorbent. Cotton fibers can hold water 24-27 times their own weight. They are strong, dye absorbent and can stand up against abrasion wear and high temperature.

Q2 : Write the properties of synthetic fibre.

Ans : Synthetic Fibres are flexible,elastic/stiff and strong. They can have high or low water absorbancy. Compared to natural fibers, synthetic fibers are usually more water, stain, heat and chemical resistant.

Q3 : Why did Ria suggest Shalini to wear cotton cloth?

Ans : As told in the question, it was the month of June, hence, it was summer season. We sweat more in the summer session. Cotton is a strong water absorber helps to absorb the sweat and introduce to the environment of evaporation. Our body takes out heat as the sweat evaporates from our body.

Q4 : Clothes can also made from material other than plant fibres.Can you name them?

Ans : Clothes are made from many materials, with four main sources: animal (wool, silk), plant (cotton, flax, jute, bamboo), mineral (asbestos, glass fibre), and synthetic (nylon, polyester, acrylic, rayon). The first three are natural.

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Hope this helps you!