Echoes, Echolocation, temperature, and sonic booms
Echoes are reflected sound waves. They can help sound travel for miles.
Echoes are reflected sound waves that can travel for long distances. If a surface is soft it can fully silence a sound but if there is a hard surface it will create an echo.
A brick wall is an example of a hard surface
A wooden wall is an example of a soft dampening surface.
Echolocation is useful to dolphins because it helps them hunt and navigate. Echolocation uses the sound that bounces of objects to pinpoint an objects location.
Resonance is a big part in our everyday lives
A standing wave resonates in the instrument which makes a sound wave
If the air is warmer than a sounds amplitude will be higher. If it is colder a sounds amplitude will be lower.
Sonic booms are made when objects carth up with there own sound.
Created with images by Unsplash - "record player disk" • calydelphoto - "Singing Ringing Tree" • 1JENNYHERNANDEZ - "north carolina grandfather mountain mountain" • jeonsango - "brick wall rectangle" • Waldkunst - "roof boards wooden wall" • Ruth and Dave - "Dolphin sonar window" • rossination - "Tuba 6" • 422737 - "measuring station hydrometer thermometer"
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