11.07.2015 Views

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

Mathematics and Society - OS X Lion Server

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,/Needed:Watch, radio, metre stickCan listening to loud noise affect your hearing?1) Have someone hold a metre stick nextto your ear (not touching the ear).Move the watch closer to your earuntil you can hear it tick. Recordthe distance from your ear.2) Sit close to a radio <strong>and</strong> turn it upvery loud. Do not turn it up soloud that it hurts your ear. (Getpermission from your teacher orparents.) Listen to the radio for10 minutes. Turn the radio off <strong>and</strong>repeat step 1.3) Repeat step 2 the next day but listen tothe radio for only 5 minutes.~VDAY1C)p.'DAY 2-4) Repeat step 2 the third day but listenfor only 1 minute.C!}"5) Graph your results.6) What do you think might happen if you listened to loud noise for an hour? A day?A month?219

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