When we remove polyester or woollen clothes in dark, we can see a spark and hear a crackling sound. Which of the following is responsible for it?
When we hear a sound, we can identify its source from
Why do we wear dark coloured clothes in winter? Why do we wear light coloured clothes in summer? How do woollen clothes keep us warm during winter? [3 MARKS]
Explain why, sometimes when we take off the woollen sweater or a polyester shirt in a dark room, we can see tiny sparks of light and hear a crackling sound.
Which force is responsible for raising our body hair when we try to take off a terylene or polyester shirt in the dry weather?
In which season do we usually wear woollen clothes?