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Days sound
sound vocabulary
| Question | Answer |
|---|---|
| A back and forth motion | vibration |
| Anything that has mass and takes up space | matter |
| A vibration that spreads away from a vibrating object | sound wave |
| The part of a sound wave where molecules are crowded together | compression |
| The part of a sound wave where molecules are spread apart | rarefaction |
| How high or low a sound is | pitch |
| A device that makes a "picture" of sound waves | oscilloscope |
| The number of times an object vibrates per second | frequency |
| A unit for measuring frequency | hertz |
| How loud or soft a sound is | volume |
| A unit for measuring volume | decibels |
| A reflected sound wave | echo |
| Finding an object by using reflected sound | echolocation |
| The change in frequency (and pitch) as a source of sound moves toward or away from you. | Doppler effect |
| In an instrument or object, a unique blend of the fundamental frequency and its overtones. | resonance |
| Sound travels fastest through this state of matter. | solid |
| Sound travels slowest through this state of matter. | gas |
| sound navigation or range; uses sound waves to detect objects far away | sonar |
Created by:
Lav
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