Because sound is caused by the vibration of air. When air is caused to vibrate by blowing across the bottle top sound is formed.
there is a little energy used, the point is you simply convert a wind energy into a sound energy. remember you cant create any kind of energy.
The whistle works by causing the smooth flow of air to be split by a narrow blade, sometimes called a labium or windcutter, creating a turbulent vortex which causes the air to vibrate. The length of the chamber typically defines the resonance frequency.
Onomatopoeia
A whistle typically produces a high-pitched sound, while thunder is a deep rumbling noise.
The energy wasted when blowing a whistle is converted to sound energy that is not useful for the intended purpose of the whistle, which is to produce a specific frequency of sound. Inefficient design or improper technique can also contribute to wasted energy.
You blow your fingers in your mouth.you can blow with a real whistle.when you whistle you blow loud.
Blow the Whistle - song - was created on 2006-03-07.
There is a little ball that when you blow, it rattles around.
Ahhhh! so you have a whistle do ya??? well to blow your whistle all you need to do is wave! press W and see what happens!
"Blow my whistle" is a sexual reference.
The whistle is in the top right hand corner, in case you haven't noticed. To blow it touch the whistle with your stylus and pull it down.
whistle blow
Blowing the whistle is calling attention to wrong doing.
To blow a whistle, put your lips together and blow air through them while holding the whistle in front of your mouth. The sound will be produced by the air vibrating inside the whistle. Make sure to adjust the pressure and intensity of your blowing to control the pitch and volume of the whistle sound.
Put On The Whistle WITHOUT Any OTHER Clothes On :)
I don't like to do that.
a whistle