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Ch 16 Test Review
Chapter 16 portion of huge test on 5/14/14
Question | Answer |
---|---|
what do sound waves carry | energy |
where do sound waves move | out from source as a series of compressions and rarefactions |
what affects sound | longitudinal waves and vibrations in matter |
what two things affect the speed of sound | material and temperature |
how do materials affect the speed sound | they are rigidity and have density |
how does temperature affect the speed of sound | higher temperatures create a faster speed |
what does amplitude, intensity, and loudness have to do with sound | they provide the decibel scale, frequency, pitch, and the doppler effect |
what is the decibel scale | the unit that is used to describe the loudness of a sound |
what is pitch | how loud or how quiet a sound is |
what is the doppler effect | the change of pitch when a sound source is moving in relation to an observer |
what does transmission, absorption, and reflection have to do with sound | they provide echos, reverberation, acoustics, ultrasound, and sonar |