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Elem Chem/Phys 9

Sound A vibration.
Sound Wave A moving vibration when you talk.
Echo A Sound you hear twice.
To Conduct Means to lead something from one place to another.
Mach 1 We would say sound travels about 760 miles per hour this is called Mach 1.
Supersonic speed When something travels faster than 760 miles an hour it is called super sonic speed.
Infrasound When a sound is to low for our ears to hear
Ultrasound When a sound to high for us to hear
Pitch How we describe the sound we are hearing.
Timbre We call the quality of sound timbre.
Amplitude The height of a sound wave.
Created by: Kids3