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Monday 28 October 2013

Bull Roarers

All the noise was almost unbearable. 

Our teacher decided to show us some instruments known as bull Roarers for the first week of term 4. We were each chosen one by one to chose a piece of wood ( resembling a bull roarer ) and tie it to some string. We then went outside to test them out - that's when the noise came in. Many different sounds of different volume. Afterwards we all shared which ones we thought worked best ( long and thin ) and if we wanted we could take them home.

This was the first experiment we had to do with our study of energy. It was a great way to learn about force and energy.

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