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Sound Chp 3
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 |