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October 16, 2020

Friday 16th October 2020 – Year 4 Science

Filed under: Science,Year 4 @ 11:52 am

Yesterday, year 4 tested which materials were best at muffling sound. Using a bluetooth speaker and a variety of materials such as bubble wrap, cotton wool and sponge, the children worked together to come up with ways of blocking the sound from the speaker. We used a data logger to measure the decibels of sound. Surprisingly, cotton wall was the best at muffling the sound waves.

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