Sound
Anything that moves causes sound vibrations. T or F
What is true?
A sound that has a high frequency has a...
pitch and wavelength
What is high pitch, short wavelength?
The part of the ear containing cells attached to nerve fibers is called...
What is the cochlea?
The stirrup is part of the
What is middle ear?
The blending of the fundamental tone and overtone produces a sound's
What is timbre?
What are vibrations in a medium called?
What are waves?
The change in pitch of a sound due to the motion of an observer
What is the Doppler Effect?
Sound is transmitted most efficiently through...
What are solids?
The stretched membrane that is found in the outer ear
What is the tympanic membrane?
The more energy a sound wave has, the greater its..
What is intensity?
Amplitude
Sonar has 2 uses...
To locate objects
To determine distances
The loudness of sound depends on its
What is amplitude?
Factors that increase the speed of sound (name 3)
What are state of matter, temperature, density, and elasticity?
The fleshy outer part of the ear
What is the pinna?
Fundamental tones always have the
Lowest pitch
The most main job of the middle ear is to
What is amplify the sound?
Does pitch depend on the medium of a wave? T or F
No, false
Sounds of frequencies below 20 Hz are called
What is infrasonic?
The first middle ear bone to vibrate
The science of sound
What is acoustics?
The flash of lightning reaches us before the sound of thunder because
Light travels faster than sound
Sound waves that are higher than human hearing
What is ultrasonic?
Repeated changes in loudness are called
What are beats?
What are the three bones?
Malleus, Incus, Stapes
Parts of a room where sound waves interfere destructively
What are dead spots?