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SFMS Sound-Unit 4

Terms used in understanding sound concepts

QuestionAnswer
The number of waves that are passing a point at a given time. frequency
Shows the amount of energy in a wave amplitude
What description is used to tell how high or low a sound maybe? pitch
The height of the amplitude will determine the () of the sound. loudness
What unit of measurement is used to compare the loudness of sounds? decibel
Sounds above 110() can cause permanent hearing loss. hertz
Sound travels faster is solids because the particles are closer together solids
Air that moves waves slower because the particles are moving slower coldair
The apparent change in sound as the source of the sound moves Doppler Effect
The extra sound that is heard after the sound source of an echo stops producing sound waves reviberation
sound with small amplitude soft
What instrument is used to study the wave formed by sound? oscilloscope
small frequency low
These all have frequency, amplitude, and energy waves
Repeated back and forth or up and down motion that creates sound vibration
Sound associated with shock waves as objects pass through the sound barrier sonicboom
The bending of waves as it travels to a new medium because it changes speed refraction
()of sound depends on the medium it passes through speed
When you make a loud clap in a large empty room, a () can be heard. echo
The particles in the medium move across in this wave transverse
When frequency is high, the () is short wavelength
Sound technology used to see inside the body. ultrasound
Sounds too low for humans to hear infrasound
Created by: KarolGriffith
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