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Sound Waves- Ch. 13
Science
| Question | Answer |
|---|---|
| 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
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