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Wednesday 7 May 2014

Sound.

Like many terms in science sound has different meanings. Everyday we hear sounds all around us. We use our ears to hear those sounds. These sounds can be loud or soft, high or low, and pleasant or unpleasant. The scientific meaning of sound is about understanding matter and energy. Our brains hear sound because energy moves the molecules to create sound. Vibrations move the molecules that create sound waves.

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