Loudness - Refers to how soft or how instense a sound is., medium - solids, liquids, gases, pitch - how high or low the sound is, high pitch - high frequency & short wave length, low pitch - low frequency & long wave length, sound - a form of energy that travels as waves through matter, Oscilloscope - Instrument to measure loudness, mechanical wave - waves that require a medium to transfer energy, 0 - 20 dB - Human Hearing Range in Loudness,

Sound Waves

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