Answer. Answer: The fiber of woolen clothes enclose a large number of air cavities in them. Since both air and wool being bad conductor of heat prevent the loss of heat prevent the loss of heat by conduction from our body to surrounding.
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What kind of clothes should we wear in summer and winter Why Class 7?
Answer: Solution: We prefer white clothes in summer because white clothes reflect most of the sun’s heat and absorb very little of the sun’s heat and keeps our body cool. We prefer to wear black or dark coloured clothes in winter as dark clothes absorb most of the sun’s heat and keep our body warm.
Why do we wear cotton clothes in summer and woolen clothes in winter?
In winter we wear warm woollen clothes because they have air pockets in between them. The air (an insulator or bad conductor of heat) does not allow the warmth of our body to escape out. Thus, keeping us warm. In summer we wear cotton clothes because it lets air to pass through it and so it keeps us cool.
Why we Cannot wear wool clothes in summer?
In summer , the temperature of surrounding is higher than the temperature of our body. if we wear the woolen clothes. then the heat from surrounding reaches to body through radiation but not through conduction. But heat can not flow from our body to surrounding due to conduction.
What will happen if we wear summer clothes in winter?
Answer: If you wore summer clothes in the winter, you might find yourself suffering from frost bite and possibly hypothermia. However, if you wore winter clothes in the summer, you might find you suffer from dehydration and heat stroke.
What type of clothes we wear in summer class 9 short answer?
Solution : We should wear cotton clothes in summer as cotton is a good sweat absorber. Sweat is absorbed by the cotton and is exposed to the atmosphere making evaporation faster.
Why is silk suitable to be worn both in winters and summers?
Answer: Silk is the lightest fabric though, and it tends to adjust to your body temperature, which is also why silk can be worn to keep you warm in the wintertime. So while silk is still a popular fabric to wear for the summer due to its weightlessness, be mindful of sweat stains on a super-sticky day.
Why do we wear woolen clothes in winter for Class 7?
In winter or in cold places, we wear woolen clothes because they trap the bodies heat to keep us warm. On the other hand, thick and dark-coloured clothing is good in winter as it absorbs the sun’s rays to keeps us warm.
Why do we wear cotton clothes in summer for Class 3?
We should wear cotton clothes in summer because cotton absorbs water and lose heat resulting in cooling of body in summer.
How do woollen clothes keep us warm in winter Class 7 short answer?
Wool is a good conductor of heat. Wool traps heat effectively between its layers. Wool is a bad conductor of heat. Wool produces its own heat from its layers.
Why do we wear clothes for Class 6?
Answer: We wear clothes to protect ourselves against the weather such as strong sunlight, extreme cold, heat or rain.
Why do we wear light coloured clothes in summer class 7?
Light-colored clothes reflect most of the heat that falls on them and, therefore, we feel more comfortable wearing them in the summer.
Why do we wear cotton clothes in summer class 7?
We wear cotton clothes during summer as cotton absorbs sweat from the body, exposing to the atmosphere for easy evaporation. As we tend to sweat more during summer and cotton fabric absorbs sweat and help body to cool down.
What should you wear in summer?
Loose-fitting clothing is your best bet for staying cool in the summer. Go for cropped, wide-leg pants, loose shirts, oversize blouses, and dresses and skirts with room to breathe.
Can silk be worn in summer and winter?
Silk is a great and versatile material to wear in all seasons, especially in hot weather due to its hydrophobic, moisture-wicking, temperature-regulating, and anti-microbial properties. It is hypoallergenic, making it suitable for even the most sensitive skin.
What type of clothes should we wear in winter and why?
Solution: (a) we wear woolen clothes in winter because woolen clothes have fine pores filled with air. Wool and air are both conductors of heat and thus keeps the body warm.
What type of clothes we wear in winter season?
Winter clothes are especially outerwear like coats, jackets, hats, scarves and gloves or mittens, earmuffs, but also warm underwear like long underwear, union suits and socks.
Which type of clothes we wear in school?
Neutral colors like black, white, and navy go well with most everything. Plus, you can use accessories like earrings, watches, or other jewelry to add to your look. It’s also a good idea to have a simple hoodie that you can wear to stay warm and keep your look casual and relaxed.
What will happen if we wear cotton clothes in winter?
Answer: Cotton clothes are thin and do not have space in which air can be trapped. Thus, cotton clothes do not prevent heat coming out of our body. Woollen clothes keep us warm during winter because wool is a poor conductor of heat and it has air trapped in between the fibres.
Why wool is a bad conductor of heat Class 7?
Complete answer:
Woollen fabrics basically trap air between them and air is a poor conductor of heat. So the heat which is radiated from the body also gets trapped due to the air between the woollen fabrics which doesn’t allow it to transfer the heat in the surrounding.
Why we must use cotton clothes in the summer class 6?
We must use cotton clothes in summer because they protect us from the heat of the sun. They absorb sweat and help keep our bodies cool. The pores in cotton clothes allow the free movement of air, which helps cool our bodies.