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Sound Waves

TermDefinition
longitudinal Sound waves travels as ________________ waves
vibrate Sound is made when a source of energy forces the matter to _____________.
compression A back-and-forth motion causing particles to move closer together generates a _______________.
apart A rarefaction is generated when particles move ______________.
outer space Sound waves can not travel through _________________.
solid In this media, sound will travel the fastest:
vibrations The elasticity of a substance describes how fast or slow its particles bounce back-and-forth as ________________ move through the object.
density This physical property of a medium is defined by how close the particles of the substance are to each other.
cold Is it HOT or COLD temperatures which causes sound to travel more slowly?
intensity, loudness, pitch These are the three properties of a sound wave.
elasticity This is NOT a property of a sound wave.
intensity The amount of energy a sound wave carries per second through a unit of area is its __________________.
amplitude The ________________ of a wave increases with increases energy.
decibles Loudness of waves in measured in _________________.
85 dB This is the maximum safe level for loudness:
hertz Frequency of waves is measured in ___________________.
high High frequency sounds have a ________________ pitch.
Created by: ksandberg
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