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7 Sound/Light 2 S3-5
7th Gr. Sound & Light Chapter 2 Sec. 3-5
Question | Answer |
---|---|
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 |