Vocabulary

Term Definition
speed of sound the speed at which a sound wave travels through a given material
sonic boom a shock wave of compressed sound waves produced by on object moving faster than sound
pitch a measure of how high or low a sound is
loudness your perception of the amount of sound energy reaching your ear
echo a sound reflection
wavelength the distance from one compression to the next in a sound wave
amplitude a measure of the strength of a sound wave shown by height on a wave diagram
sound wave a moving pattern of high and low pressure that you could hear
compression the part of a sound wave in which air is pushed together

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