Singing Wine Glass Experiment. PDF fileon the way the wine glass is stimulated In this paper we investigate and model the characteristic sounds produced by three different cases the pulsating sound exhibited by a finger run along the rim of a wine glass the steady tone produced by a stationary finger on a rotating wine glass and.
Extra Take an empty wine glass and put a lightweight object in it such as a ping pong ball Rub your damp finger around the rim of the glass.
Singing Wine Glass Experiment Science Experiments for
Pour some water in the wine glass till it is more than halfway full Dip your finger in the water and rotate it to make sure it is completely wet Now rub the rim of the glass well a few times with your wet finger Try filling different levels of water and see what happens You could even line up some wine glasses and make sounds from them in succession to hear the varying noises.
Why does water change the pitch of a singing wineglass …
PDF fileSinging wine glasses The activity Make a musical instrument using wine glasses and water ExpeRiment with different amounts of water in the glasses to see how it affects the sounds you can make Learn about the connection between sounds and vibrations Discover how running your finger around the rim of a wine glass produces a musical note.
Singing Glasses Scientific American
To take the data one partner holds the microphone above the wine glass while the other partner rotates his/her finger around the rim of the wine glass to achieve the “singing wine glass sound” Additionally a beaker of ice cold water and a water heater is on standby until different temperatures of water are needed for the experiment.
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Variables in this experiment Independent variable Frequency of the sound produced by the singing wine glass Dependent variable Amount of water (mass) Control variables External noise if there’s too much of the external noises noises other than the frequency from the wine glass it’s hard to record the exact frequency of the sound produced.