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7 Sound/Light 2 S3-5

7th Gr. Sound & Light Chapter 2 Sec. 3-5

QuestionAnswer
music set of notes that combine in patterns that are pleasing
fundamental tone lowest natural frequency of an object
overtones object's higher natural frequencies
acoustics the study of how sounds interact with each other and the environment
reverberation echoes of a sound are heard after the sound source stops producing sound waves
ear canal a narrow region in the ear that is a few centimeters long and ends at the eardrum
eardrum small tightly stretched drumlike membrane
cochlea a fluid-filled cavity shaped like a snail shell
echolocation use of relected sound waves to determine distances or to locate objects
sonar system using relected sound waves to detect and locate objects underwater
sonogram a picture created by reflected ultrasound waves
Created by: Karen Copanic
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