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VOCABULARY
Term | Definition |
---|---|
echo | A reflected sound wave |
Elasticity | The ability of a material to bounce back after bieng disturbed. |
Density | How much matter, or mass, there is in a given amount of space,or volume. |
Loudness | Precipitation of the energy of a sound. |
Itensity | Amount of energy a sound wave carries per second through a unit area. |
Decibal | The loudness of different sounds is compared using a unit. |
Pitch | A sound that is high or low |
Ultrasound | Normal human range of hearing. |
Infrasound | Sounds with frequencies below the human range of hearing. |
Larnyx | vocal cords are located in your voice box. |
Doppler Effect | The change in frequency of a wave as its source moves in relation to an observer. |
Causes of the sonic boom | A huge amount of energy. |
Fundamental tone | Thye lowest natural frequency of an object. |
Overtone | The objects higher natural frequencies. |
Acoustics | The study of how sounds interact. |
Reverberation | In which the echoes of a sound are heard after the sound. |
Ear canal | It collects sound waves and directs them into a narrow region. |
Ear drum | A small tightly, stretched, drum like membrane. |
Cochlea | A fluid filled cavity shaoped like a snail shell. |
Echolocation | The use of reflected sound waves. |
Sonar | Uses reflected sound waves to detect and locate objects underwater. |
Sonogram | The device uses the reflected ultrasound waves to create a picture. |