Sound Wave Fun Facts
When you speak or sing, you force air through your vocal cords in your
What is the larynx?
Sound level or loudness is measured in
What are decibels?
"Noise" has no pleasing timbre and no identifiable
What is pitch?
A small, tightly stretched membrane located in the outer ear
What is the eardrum?
This is determined by the amplitude of the sound wave
What is loudness?
Sounds with frequencies below the range of human hearing are called
What is infrasound?
When the frequency of sound waves and the natural frequency of an object are the same
What is resonance?
Determined by the frequency of the wave
What is pitch?
The first tiny bony of the middle ear that is connected to the eardrum.
What is the hammer?
One factor that affects sound and allows the sound to travel more easily the higher it is
What is temperature?
Sound cannot travel in this
What is space?
Sound travels best in this
What is a solid?
A sound wave of greater intensity generally sounds
What is louder?
Acts as a funnel to concentrate the sound waves toward your middle and inner ear. Contains the ear flap(pinna), ear canal, and ear drum.
What is the outer ear?
The particles of a dense material travel
What is slower?
The speed of sound depends on all of the following properties of the medium EXCEPT
a. temperature. b. loudness.
c. elasticity. d. density.
What is loudness?
The intensity of a sound wave is the amount of _________ the wave carries per second through
the unit area.
What is energy?
The distance a wave moves from its resting position
What is amplitude?
Made up of a cochlea, semicircular canals, and the auditory nerve.
What is the inner ear?
The use of sound waves to determine distances or to locate objects is called
(Hint: Dolphins use this to find their prey.)
What is echolocation?
The study of how sounds interact with each other and the environment is called
What is acoustics?
The sound associated with the shock waves created whenever an object traveling through the air travels faster than the speed of sound.
What is a sonic boom?
As a sound source moves toward the listener, the pitch appears to increase due to
What is the Doppler Effect?
Contains three tiny bones that sound waves travel across.
What is the middle ear?
The blending of the fundamental tone and the overtones make up
What is sound quality or timbre?