Woolen Clothes Keep Us Warm In Winter Because
The wool fibres trap the air in between them.
Woolen clothes keep us warm in winter because. A supply heat. Because woolen clothes are warm and they allowed air to trapped in between the fibres and cotton clothes do not have space which air can be trapped. In this video i have explained how woollen jersey do project us from cold and keep us warm and why other fabric clothes cant do this. Woollen clothes keep us warm during winter because wool is a poor conductor of heat and it has air trapped in between the fibres.
How do woollen clothes keep us warm in the winter. Discussion in cbse class 7 science help started by g mahesh nov 7 2013. Also the air trapped between the woollen fibres prevents the flow of heat from the body to the cold surroundings. B do not radiate heat.
Wool increases the temperature of the body. In the winter we use woollen clothes. This air prevents the flow of heat from our body to the cold surroundings. Wool is a poor conductor of heat.
Wool is a poor conductor of heat due to which woollen clothes stop the flow of heat from our warm body to the cold surroundings. This is ur ans. Woolen clothes keeps people warm in winters because the air gets trapped inside. Wool is the bad conductor of the heat so it does not allow.
D prevent the heat of the body from escaping. Woollen clothes keep us warm during cold winter days. As wool is a very good insulator and a poor conductor of heat woollen clothes keep the body warm and protect it from the cold winds. Clothes keep us warm in winter because they.
C prevent air from contacting the body. Woolen colthes are more warmer than cotton clothes because wool are thich and trap the air between the layers and do not let it escape. Wool absorbs radiant heat from outer objects.