solids, liquids, gases - medium, how high or low the sound is - pitch, high frequency & short wave length - high pitch, low frequency & long wave length - low pitch, type of wave that has to travel through matter - mechanical wave, how loud or quiet a sound is - volume, sound waves - longitudinal , light waves - transverse , material that has mass and takes up space - matter, travel fastest in a solid - sound waves, travel fastest in a vacuum - light waves, the more dense a material the ______ a sound wave travels - faster, the more dense a material the _______ light waves travel - slower,

Sound and Light Waves - 9d

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