Why does blowing air put off a lighted match or a candle but aid a spark of fire?
Why do we pucker our lips when blowing out a candle?
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.
Why does a wool sweater emmit sparks but other clothes do not?
Why does blowing air in the shell during the prayers make such a loud sound