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Sound
| Term | Definition |
|---|---|
| Sound | A disturbance that travels through a medium as a longitudinal wave. |
| Elasticity | The ability of a material to bounce back after being disturbed. |
| Intensity | The amount of energy a sound wave carries per second through a unit area. |
| Pitch | How high or low a sound is. |
| Interference | When two or more sound waves interact. |
| Acoustics | How well sounds can be heard in a particular room. |
| Ear Canal | Where sound waves enter the ear. |
| Eardrum | A tightly stretched membrane at the end of the ear canal. |
| Cochlea | A liquid-filled cavity in the inner ear. |
| Sonar | A system of detecting reflected sound waves. |
| Echolocation | The use of sound waves by bats and dolphins to locate food and other objects. |
| Ultrasound | Sound waves with frequencies above 20,000 Hz. |
| Infrasound | Sound waves with frequencies below the normal range of human hearing. |
| Echo | A reflected sound wave. |
| Sonogram | A picture of the inside of the human body produced by ultrasound. |
| Doppler Effect | The change in frequency of a wave produced by a moving source. |
| Density | The amount of mass there is in a given amount of space. |