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Sound - Coggle Diagram
Sound
What is sound?
Sound wave: longitudal wave that can only travel thru matter (solids, liquids, gases)
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Speed of Sound Waves
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Sound wave speed up, temp up
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The Human Ear
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Humans can hear 20 Hz to 20,000 Hz
Some mammals can hear frequencies greater than 100,000 Hz
Sound and Pitch
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Stretched vocal cords muscles: higher pitch, similar to guitar strings
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When speaking, you get air from your lungs thru space btw vocal cords
Sound and Loudness
More energy, more amplitude
High-amplitude sound waves have particles closer or farther in compressions and refractions respectfully
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Using Sound Waves
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Sonar can map the ocean floor, detect submarines, detect marine life, etc
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