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19 Cards in this Set
- Front
- Back
amplitude
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the strength or distance from peak to trough
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audible
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the ability to be heard
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compression waves
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a wave that carries sound energy by making something shorter by pressing or squeezing it
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crest
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the topmost part of a wave
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frequency
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how many waves per second, how often the vibration
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gases
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a form of matter that is not liquid nor solid. ex. air
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liquids
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fluids
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morse code
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a means of transmitting messages in which the letters of the alphabet are represented by various sequences of dots and dashes or short and long signals
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pitch
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the highest or lowness of a sound, pitch depends on the frequency of the vibration of the sound. the higher the frequency the higher the pitch. the lower the frequency the lower the pitch
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resonance
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an increase in the size of vibrations caused by applying a force that vibrates at the natural frequency of the object. the measure of how loud or long an object sounds after being struck
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solids
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a substance with definite shape
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sonar
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short for sound navigation and ranging, sonar helps find underwater objects. this devise sends out short bursts of sounds that are rflected back when they hit an object
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submerged
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underwater
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transmission
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a device for sending out some kind of signal
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trough
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the lowest part of the wave
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tuning fork
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a narrow, U-shaped metal device that produces a clear musical tone when hit. A tuning fork is often used to give the pitch for tuning musical intruments
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vibration
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the rapid back-and-forth motion of an object or wave. The vibrations of a plucked guitar string produce the sounds that you hear.
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wave
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a continuing up-and-down or back-and-forth motion that carries energy, but not matter, from one place to another
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wave length
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the distance between crests, or peaks or a wave
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