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SSSHHHHH speak up, we can’t hear you! We conducted an experiment to identify high and low sounds and the materials that work best in protecting our ears from these loud noises. We worked in pairs to identify and experiment with materials, we choose to test tinfoil, paper and cotton. We tested each material separately by covering our ear with it while our partner clapped their hands close by, we also used no material to ensure we had a fair test from which to measure. We found that cotton was the best material to protect our ears while both paper and tinfoil were found not to be inadequate for the job.