What is Sound?
The sounds you hear are produced by ___________ - longitudinal waves that can only travel through matter.
What are sound waves?
the three parts of the human ear
What are the inner ear, middle ear, and outer ear?
the unit that describes the intensity/loudness of a sound
What is a decibel (dB)?
the perception of how high or low a sound seems
what is pitch?
the movement of sound waves through their medium
what is trasmission?
A wave that makes the particles in the material that carries the wave move back and forth along the direction of the wave (Parallel)
What is a longitudinal wave?
the part of the ear responsible for collecting the sound waves
What is the outer ear?
the maximum distance the particles in a medium move from their rest positions
what is amplitude?
the change of pitch when a sound source is moving in relation to an observer (Ex. Ambulance with sirens driving by)
What is Doppler effect?
The transfer of energy by a wave to the medium through which it travels
What is absorption?
a rapid back and forth motion that can occur in solids, liquids, or gases
The part of the ear responsible for amplifying sound
what is the middle ear?
the amount of sound energy that passes through a square meter of space in one second
what is intensity?
occurs when waves that overlap combine, forming a new wave
The bouncing of a wave off a surface
what is reflection?
The material a wave travels through
What is medium?
The part of the ear containing the cochlea
what is the inner ear?
the distance between a point on one wave and the same point on the next wave
what is wavelength?
an increase in amplitude what an object vibrating at its natural frequency absorbs energy from a nearby object vibrating at the same frequency
a reflected sound wave (when you hear a sound over again)
what is an echo?
A region of a longitudinal wave were the particles are closest together
what is compression?
A small, fluid filled chamber that sends signals to the brain to interpret sound
what is the cochlea?
the number of wavelengths that pass by a point in each second
what is frequency?
the musical instrument you all know how to use
what is your voice?
the study of how sound interacts with structures
what are acoustics?