units of waves
Define Hertz?
unit to label the frequency of a sound wave measurement
what is vibration?
Back and forth motion of an object
Funnels sound into the ear canal?
Outer ear
what is an echo?
reflected sound wave
what is constructive interference?
creates a louder sound when sound waves overlap
What is a decibel?
Measures loudness of a sound
wave property that determines pitch?
frequency
increase size of the sound wave vibration?
middle ear
sound wave?
a longitudinal wave caused by vibration that trvels through a medium
what is destructive interference?
creates quieter sound when sound waves overlap
what is an oscilloscope?
device used to "see" sound waves
What is amplitude?
wave property that determines loudness
what does inner ear do?
changes vibration into an electrical signal
what is an medium?
matter through which a wave travels
A wave in which the particles vibrate back and forth in the same direction as the wave is moving is?
longitudinal wave
Loudness measures?
how well a sound can be heard
That describes how high or low the sound is?
Pitch
A pair of globular organs in the head is ?
eyes
Properties of Medium?
Solid, liquid, and gases
A part in a longitudinal wave where the particles are spread apart is?
rarefaction
The process of using reflected sound waves to find objects is?
echolocation
what is a Doppler Effect?
the change in pitch of a sound due to movement
Made up of more than 100 billion nerves that communicate in trillions of connections called synapses is called?
Brain
Vibration of one object causes another object to vibrate at the same frequency is?
resonance
The part of a longitudinal wave where the particles of the medium are close together is?
compression