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The Science Behind Xylophones

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Lynda Lin

on 23 May 2011

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Transcript of The Science Behind Xylophones

What is a Xylphone?
History of xylophones
What's the science behind it?
How does it work?
Making your own xylophone... What is a xylophone? Defined as: a musical instrument consisting of a series of graduated series of wooden bars. History of xylophones: The earliest xylophones were invented by the Chinese.
It was popularized to some extent by a Russian guy named Michael Josef Gusikov in 1830. What's the science behind it? These factors help produce the sounds and notes:
Sound waves
Vibrations
Pitches There are long, large slats and small slats. They gradually go from big to small in a row. The larger slats have a deeper, lower note and sound; the smaller notes have a gradually higher note. Because the sound of the wood is different at different sizes, the sound comes at a different pitch at different lengths. When hitting the slats with mallets--which are usually rubber or wooden--if you hit the note softly, the note will sound soft. If you hit the note hard, it will be much louder. How does it Work? How does it work (pt.2) Striking the metal bars of the xylophone with a stick produces a vibration.
This vibration's sound is determined by the length of the bar.
The longer ones produce a much deeper sound than the shorter ones. These sounds are enhanced by the resonator tubes below the bars.
Air is pushed into these tubes, creating more vibration, but at the same pitch as the bar struck.
A cord runs through the center of the xylophone, lifting the bars slightly away from the frame of the instrument, letting them vibrate freely How to make your own.... 1.Choose 8 drinking glass.
2.Arrange the glasses in a row.
3.Pour water in the glass, each glass a different amount.
4.Hit the glasses with a spoon. mfyd
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