Stack #124386
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| sound | a wave produced by the vibrating object that travels through a gas liquid or solid
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| vibration | a rapid back and forth motion
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| vacuum | an empty space with few if any particles
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| pitch | the quality of the highness or lowness of a sound
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| hertz | unit for measuring frequency and pitch
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| ultrasound | sound waves in the range above 20000 hertz
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| resonance | strengthening of a sound wave when it combines with an objects natural vibrations
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| Dopler Effect | the change in observed pitch that occurs when the source or the one who hears a sound is moving
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| intensity | the amount of energy a sound has
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| decibel | unit for measuring sound intenity
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| amplification | increasing the strength of an electrical signal to increase the intensity of a sound wave
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| acoustics | the scientific study of sound
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| what is energy | the ability to cause change
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| When energy is used it | changes form
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| All moving matter has | kinetic energy
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Created by:
bmsbrittonscience
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