Discuss why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing?

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Solution

More layers of clothing keep us warm in winters as they have a lot of space between them. This space gets filled up with air. Air is a bad conductor, it does not allow the body heat to escape out.

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Discuss why wearing more layers of clothing during winters keeps us warmer than wearing just one thick piece of clothing.

Q. Why does many layers of cotton cloth keeps us warmer in winter than wearing one thick sweater ?

Q. Why is it advised to wear more layers of woolen clothes rather than just one thick woolen cloth to keep us warm in winter?

1. Air trapped between layers of woolen clothes acts as an insulator of heat.
2. Layers of clothes produce heat
3. Air trapped between layers of woolen clothes acts as a conductor of heat.

Q. Why do we prefer wearing woollen clothes over cotton clothes in the winter season?

(a) In places with hot climate, it is advised to paint the outer walls of houses with white paint. Explain.
(b) During summers wearing light coloured clothes is much more comfortable than wearing dark coloured clothes, why?
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