My instrument
By Rohini Khapre - Ghawalkar - October 29, 2015
I made an instrument. It is called a glass harp. It is a percussion instrument. First you need to take a glass cup. Then you need a chopstick and water. Next pour the water in the glass. Finally you bang on the glass to get a sound. I started out with designs. Then I got some ideas. Next I survayed the house and looked for things that you pour into and things you bang with. Later I stumbbled on the idea of a glass harp. Finally I learned about a glass harp and began using a chopstick to bang on a glass cup and then my dad showed me a video of a glass harp. The way you change the pitch is if you pour less or more water in it or hitting it in the sides and the top.
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My teacher told me to do a science project. The project was about making a instrument out of things that are in your house. We had to be creative. The instrument had to be able change volume and pitch. Its supposed to be a music instrument and not anything silly. First I made some designs, the designs had materials and pictures. Then I got ideas of what it can be. Next I survayed the house for things you can use in a percussion instrument. Later I tested things how it sounds like for volume and pitch. I also found out how it changes the pitch and volume based on the shape, whats in it and materials. Finally I found out a glass full of water has vibrations. My daddy showed me a video of a glass harp.
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