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  • rathleenationalsch

Sound - investigating high and low sounds

We used four glasses to investigate high and low sounds. We filled one glass with water and left one glass empty. When we tapped each glass with a metal spoon we heard two different sounds. The glass full of water caused the glass to vibrate slower, and the sound we heard was at a lower pitch.

We changed the amounts of water in the four glasses and had fun making short tunes.

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