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Sound Waves- Ch. 13

Science

QuestionAnswer
change in frequency as a sound moves Doppler Effect
change in frequency as a sound moves Doppler Effect
how high or low a sound is pitch
bouncing of a sound wave off surfaces reflection
measures units of volume decibel
one of a series of pitches that blend to give a sound its quality overtone
disappearance of a sound wave into a surface absorption
finding an object by using reflected sound echolocation
measures units of frequency hertz
When a sound wave is absorbed, what is its sound energy changed into? heat energy
What does the blend of fundamental frequencies and overtones give each sound? quality
A vibration that spread away from a vibrating object is a ________________. sound wave
What causes sound to NOT bounce off carpet? absorption
When a string vibrates at the fundamental frequency, sections of teh string vibrate at a higher frequency called a(n)_________. overtone
What are the two parts of a sound wave? compression and rarefaction
A vibration that spread away from a vibrating object is a ________________. sound wave
What causes sound to NOT bounce off carpet? absorption
If the frequency of a musical note is increased,the note gets _________________. higher
What are the two parts of a sound wave? compression and rarefaction
The part of a sound wave where molecules are spread apart is called ___________________. rarefaction
Created by: Rjohnson11