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21 Cards in this Set
- Front
- Back
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Acoustics
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The study of sound.
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Amplitude
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The greatest distance the particles in a wave rise or fall from their rest position.
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Cancellation
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A compression of one wave arrives at the same time as the refraction of another wave.
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Compressional Wave
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Matter vibrates in the same direction as the wave travels.
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Crest
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The top of the wave.
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Decibel
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The unit used to measure loudness.
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Doppler Effect
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A change in the wave frequency caused by the motion of the sound source or the motion of the observer.
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Frequency
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A count of the number of waves that pass a given point in one second.
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Harmony
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Notes that are pleasing when sounded together.
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Intensity
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The amplitude of sound waves.
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Interference
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The ability of two or more waves add together to form a new wave.
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Loudness
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A person's response to sound intensity.
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Noise
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A sound with no definite pitch.
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Pitch
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The way a person hears frequency.
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Reinforcement
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The compressions and refractions of two or more waves come together.
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Reverberation
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The result of many different reflections of sound in a large room.
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Tone Quality
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The differences of sounds of the same pitch and loudness.
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Trough
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The valley of a wave.
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Velocity of Sound
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The speed of sound.
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Wave
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A rhythmic disturbance that carries energy.
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Wavelength
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The distance between a point on one wave and the same identical point on the next wave.
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