Ultimate musical instrument like chicken sound

by barkkathulla 2012-12-01 12:16:51

Ultimate Tunes from a tumbler


Hi scrap members.....its very easy to do this experiment....

Push the one end of the yarn through the hole in the cup and pull it through.Get a piece of paper towel about the size of a dollar bill, then fold it once and get it damp in the water.Now noise occurs....Hold the cup in one hand, and wrap the damp paper towel around the string near the cup. While you squeeze the string, pull down in short jerks so that the paper towel tightly slides.If all goes well -now hear a sound likechicken!
This is an example of how a sounding board works. The vibrations from the string would be almost silent without the cup, but when you add the cup, it spreads the vibrations and amplifies them. Pianos and music boxes use wood to act as a sounding board to make the instrument louder.

Just the following things are enough...

Components Required:
* Paper towel
* A nail
* Scissors
* Water
* A plastic tumbler
*cotton or yarn string
* 1 paper pinch
Cut a piece of yarn about 20 inches (40 cm) long.

Tie one end of the yarn to the middle of the paper clip.

Advantage of the above experiment:

1. Type of sound string....

2. To know size of the cup affect the volume of the sound

3. Compare sounds instead of paper usage
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