well its simple
1. blow a bubble that is small enough to fit back in your mouth
2. then put it back in your mouth ( make sure you still have a bubble)
3. finally just push your tongue to the roof of your mouth and your bubble will crack
Chew for 1 minute. Now take it out and stick in sand. Put back in mouth and you will get a crackling sound.
To make it crackle.
It can make a crackling or popping sounds as wood burns.
The crackling sound is caused by static electricity, which is produced by the friction of your jersey.
You create friction when you take off your clothes. The crackling sound is the static electricity.
a crackling noise
The crackling sounds are usually made by snapping shrimps.
The cracking noise is the tip of the whip breaking the sound barrier
yes
That crackling sound is your hard drive being read, and it can be fixed by replacing your hard drive with an expensive Solid State Drive.
Cracking knuckles sound like cracking knuckles
Unnatural.
Static electricity