Discussion in cbse class 7 science help started by g mahesh nov 7 2013.
Woolen clothes keep us warm in winter give reason.
A cotton garment cannot keep us warm in winter as a woolen sweater can.
The woolen clothes keep us warm for two reasons.
Wool is a poor conductor of heat.
So when battling the frigid cold brisk weather of the winter seasons bundle up in wool and keeping warm won t be an issue.
2 the fleece or hair that cover us keeps us very warm.
Cotton clothes are thin and do not have space in which air can be trapped.
This air prevents the flow of heat from our body to the cold surroundings.
It is light weight and it will help with moisture management unlike cotton which stay wet and might actually steal heat from your body.
Second is that the air present in their pores is also a bad conductor of heat and dies not allow the internal heat to go out.
Woolen clothes keep us warm in winter give reason woolen clothes keep us warm woolen clothes keep the body warm because woolen clothes keep us warm in winter woolen clothes market in amritsar.
Woollen clothes keep us warm during winter because wool is a poor conductor of heat and it has air trapped in between the fibres.
The woolen clothes keep us warm for two reasons.
Use a wool challis as a base layer.
One is that wool is a bad conductor if heat.
One is that wool is a bad conductor if heat.
Woolen clothes keep us warm in winter 1 wool absorbs moisture up to one third its weight.
Merino wool sweaters have a luxurious feel and keep you warm in winter without bulk and cool in warm weather.
The wool fibres trap the air in between them.
Woolen clothes keep us warm as they are make a cover around our body and does not allow the heat to pass and so we feel less.
The breathable and wicking properties of merino wool keep you dry which prevents the buildup of the odorous bacteria that thrive in moist environments making it a popular choice for thin base layers and socks for hiking fishing.
Second is that the air.
In the winter we use woollen clothes.