EARS
MUSIC
USING SOUND WAVES
TRAVELING
MISCELLANEOUS
100
The cochlea is part of the _____ ear.
inner
100
The study of how sound interacts with structures?
acoustics
100
a wave bouncing off a surface is called a?
reflection
100
The number of _____ passing a particular point every second is the frequency.
Waves
100
The decibel is the unit to measure the _____ of a sound.
Intensity (amplitude,loudness, volume)
200
The ear canal is part of the _____ ear.
outer
200
Violins, guitars, and harps produce sound by vibrating _____.
strings
200
Dolphins and other animals can use this to find their way?
echolocation
200
Sound waves carry _____ from one place to another.
energy
200
The _____ of a sound refers to how high or low it sounds.
pitch
300
The stirrup is part of the _____ ear.
middle
300
A music hall is designed with good _____ so that everyone can hear the music well.
acoustics
300
The reflections you may hear in a concert hall is referred to as?
reverberation
300
Sounds are produced when _____ vibrates.
matter
300
The formula for finding out the distance of a wave (or anything else).
d=s*t
400
The middle ear is responsible for _____ _____
amplifying sound
400
How does a loud, low pitched sound effect frequency and amplitude?
low frequency, high amplitude
400
When waves overlap to form combined compressions with greater intensity this is called?
constructive interference
400
Sound waves move away from a source as a series of compressions and _____.
rarefactions
400
What is the formula for finding out the speed of a wave?
S=d/t
500
The outer ear is responsible for _____ _____ _____.
collecting sound waves
500
What changes occur in your throat when you sing a high note?
your vocal chords become thinner (and tighter)
500
When the angle of incidence equals the angle of reflection it is called?
the law of reflection
500
Sound needs a _____ through which to travel.
medium
500
Hearing loss (in humans) can occur at sounds over _____dB
85-90
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