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A '''vibration''' is whensomething moves back and forward very quickly. : Singular [[Noun]]: '''Vibration''': Plural [[Noun]]: '''Vibrations''': [[Verb]]: '''To vibrate''' ===About Vibration===: Anything that '''vibrates''' makes a [[sound]].: If something '''vibrates''' quickly it makes a high [[Pitch|pitched]] [[sound]]. {| class="wikitable"|-|[[File:ViolinVibration.gif|center]]|-| style="height:20px; width:200px; text-align:center;" |This slow motion video shows a violin string '''vibrating'''.|} ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Vibration, pages 195-6, 201, 206-7, 222, 256, 262, GCSE Physics; Student Book, Collins, AQA ''] ====OCR====:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Vibrations, pages 142, Gateway GCSE Physics, Oxford, OCR '']