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Sound
> What is Sound?
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The tuning fork shakes air molecules
which creates a wave of collisions
that eventually reaches your ear.
The waves are invisible, but they
are there!
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What
is sound? Imagine for a moment that we are all standing
in a pool of water--up to our ears. The water is super-still.
I drop a rock in the pool and the waves ripple outward.
Eventually the waves reach your ear. That is a good
way to visualize sound waves.
My
larynx and mouth create the sound waves that travel
outward like the waves in the pool.
These
sound waves are nothing more than air molecules slamming
into each other--a chain reaction started by my larynx.
Below
is a visualization of how this chain reaction works.
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My larynx causes an air molecule near
my mouth to hit the air molecule next
to it, which hits the next molecule,
which hits the next molecule, etc.--until
it hits your eardrum and you register
sound.
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