the nature of sound
TRANSCRIPT
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The Nature of Sound
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Sound Waves
Sound is a disturbance that travels through medium
Longitudinal Wave
All sound waves begin as a vibration
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Reflection
Echo
The harder and flatter surfaces reflect the best
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Diffraction
Same as typical waves
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Speed
Density
Speed is slower in more dense materials
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Elasticity
How much the media can move and come back
Solids – Fast
Liquid - Middle
Gas – Slow
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Temperature
Slower at colder temperatures
Charles Yeager
Temperature
Speed -10°C
Speed at 30°C
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