Parts of the Ear
Name the three parts of the outer ear
pinna, ear canal, ear drum
How does sound travel?
in waves
What is considered a safe hearing range?
0-80dB
What is sound measured in?
Decibels (dB)
What is pitch?
Pitch is how high or low a sound is.
Name three parts of the middle ear (HAS)
hammer, anvil, stirrup
Can sound travel around corners?
yes
What is a dangerous hearing range?
100dB and louder
How can we amplify our voice?
-cup our hands around our mouth to direct our voices
-use a megaphone
-use a microphone
What is volume?
Volume is how loud or quiet a sound is.
Name three parts of the ineer ear.
cochlea, semicircular canals, auditory nerve
How do we know that sound can travel through solids?
We can hear things through our door or if we put our ear to our desk and knock on the other side.
Name three ways we can protect our ears from loud noises?
-wear ear protection around loud noises
-use your hands to cover your ears if you don't have ear protection
-always turn down the volume before you press play on your device
What is the difference between music and noise?
Music is organized sound and noise is unorganized sound.
What do high pitch sound waves look like?
They are close together.
What part of the ear has nothing to do with hearing? What is it's function?
Semicircular canals help us with balance.
How do we know that sound can travel through liquids?
When we go swimming, we can hear things under the water.
What are some things we can do to make sure to keep our ears healthy?
-get regular check ups with your doctor
-never stick anything in your ears
-cover your ears in cold, windy weather
What causes sound?
Vibration
What do low pitch sound waves look like?
They are farther apart.
What is the function of the pinna?
It funnels sound into our ear.
What do we call sound that bounces off an object and comes back to us?
echo
Name three sounds that could be dangerous for our ears
-jackhammer
-jet plane taking off
-rock concert
-gunshot blast
-chain saw
-construction equipment
Name three ways we can make instruments make sound?
tapping, blowing, plucking or strumming
How do loud sound waves look different than quiet sound waves?
Loud sound waves are bigger and quiet sound waves are smaller.