Devices
This lets doctors hear the heart and lungs.
stethoscope
This describes the loudness of a sound.
volume
The outside of the ear
pinna
Which animal would make a higher pitch sound, a mouse or an elephant?
mouse
This converts sound waves into electrical energy
Microphone
This is the unit that volume is measured in.
decibel
This carries sound to the eardrum.
ear canal
When a jet travels faster than the speed of sound we say that is has broken the _____________.
(2 words)
sound barrier
This is a cone-like device that makes sound louder
megaphone
Describes how high or low a sound is
pitch
This word means "snail".
cochlea
Would sound travel faster through water or air?
Water
These can be used to block loud sounds and protect your ears.
ear plugs
This is the unit that pitch is measured in
hertz
Name all three bones in the ear
hammer, anvil, stirrup
6 year old, our ears get damaged with age
This can help people who are deaf or partially deaf hear again.
hearing aid
A sound with a high pitch would have _______ sound waves than a sound with a low pitch.
Faster
This carries signals to the brain
auditory nerve
The speed of sound is also called this.
Mach 1