Sound versus space Essay

This essay has a total of 570 words and 4 pages.

Sound versus space



Very simply, sound is the vibration of any substance. The substance can be air, water,
wood, or any other material, and in fact the only place in which sound cannot travel is a
vacuum. When these substances vibrate, or rapidly move back and forth, they produce sound.
As described in the How We Perceive Sound: The Ear section, our ears gather these
vibrations and allow us to interpret them.


To be a little more accurate in our definition of sound, however, we must realize that the
vibrations that produce sound are not the result of an entire volume moving back and forth
at once. If that were the case, the entire atmosphere would need to shift for any sound to
be made at all! Instead, the vibrations occur among the individual molecules of the
substance, and the vibrations move through the substance in sound waves. As sound waves
travel through the material, each molecule hits another and returns to its original
position. The result is that regions of the medium become alternately more dense, when
they are called condensations, and less dense, when they are called rarefactions.







Bibliography:

Very simply, sound is the vibration of any substance. The substance can be air, water,
wood, or any other material, and in fact the only place in which sound cannot travel is a
vacuum. When these substances vibrate, or rapidly move back and forth, they produce sound.
As described in the How We Perceive Sound: The Ear section, our ears gather these
vibrations and allow us to interpret them.


To be a little more accurate in our definition of sound, however, we must realize that the
vibrations that produce sound are not the result of an entire volume moving back and forth
at once. If that were the case, the entire atmosphere would need to shift for any sound to
be made at all! Instead, the vibrations occur among the individual molecules of the
substance, and the vibrations move through the substance in sound waves. As sound waves
travel through the material, each molecule hits another and returns to its original
position. The result is that regions of the medium become alternately more dense, when
they are called condensations, and less dense, when they are called rarefactions.


Continues for 2 more pages >>




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