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Sound Vocabulary
Term | Definition |
---|---|
Echo | A reflected sound wave is an echo. They are heard when sound bounces off a hard wall, but mostly absorded with soft wall. |
Elasticity | Elasticity is the ability of a material to bounce back after being disturbed. Rubber bands come back to normal shape, and are more elastic than modeling clay that stays stretched. |
Density | Density is how much matter or mass there is in a given amount of volume or space. The denser, the more mass in a given volume. |
Loudness | Loudness describes your perception of the energy of a sound. You know you are louder shouting than while whispering. |
Intensity | The amount of energy a sound wave carries per second through a unit area. More intensity means means louder sound, but if you walk away the intensity decreases. |
Decibel (db) | |
Pitch | |
Ultrasound | |
Infrasound | |
Larnyx |