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20 Cards in this Set

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waves
rhythmic disturbances that carry energy through matter or space.
medium
a material through which a wave transfers energy.
transverse wave
the medium moves at right angles to the direction the wave travels.
crests
the highest point of a wave.
troughs
the lowest points of a wave.
wavelength
the distance between a point on one wave and the identical point on the next wave, such as from crest to crest or trough to trough.
amplitude
the distance from crest(or trough) of a wave to the rest position of the medium.
frequency
the number of wave crests that pass one place each second.
compressional wave
matter that vibrates in the same direction as the wave travels.
pitch
the highness or lowness of a sound.
intensity
depends on the amount of energy in each wave.
loudness
the human perception of sound intensity.
ultrasonic technologyt
technologytechnology using high frequency waves for many different purposes.
music
created using specific pitches and sound quality.
resonance
if the sound that reaches an object is at the same frequency as the natural frequency of the object, the object will begin to vibrate.
quality
describes the differences among sounds of the same pitch and loudness.
interference
the ability of two or more waves to combine and form a new wave.
reverberation
the effect produced by many reflections of sound.
noise
sound that has no set pattern or definite pitch.
acoustics
the study of sound