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Rock Core Xylophone

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Use the beaters to hit the rock cores. Can you play a tune?

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Sound
Each core is tuned to a pitch of a musical scale. We hear different notes because each rock core is differently sized, with the bigger sized cores creating larger wave lengths. Do the bigger cores produce a lower or higher note?
Try this

Jingle Bells

Follow this video and you can play a song using rocks! It works the exact same way as a xylophone, so just follow along to play.

True Rock Music

The rock core xylophone produces different notes because of the different lengths of rock. Larger pieces have a lower note, while smaller rocks have a higher note. This is because larger pieces allow larger wave lengths which result in lower notes. Shorter pieces result in more waves - a higher frequency and a higher note.

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Look Closer

Welcome to Look Closer, Techniquest's brand new digital tool. We're trialling Look Closer as a way of offering you a closer look at the science demonstrated by many of our exhibits. You'll find visitor sheets, videos, articles on contemporary science as well as fun trails to navigate your way around the exhibition space.

Speak to our Science Communicators to find out more.