Volume and Pitch
Sound Safety
How Sound Travels
The Ear and Hearing
Communication
and Sound
and Sound
100
What is volume measured in?
Decibels (dB)
100
What kinds of sounds can damage our hearing?
Really loud sounds
100
Sound is energy caused by ________.
vibrations
100
What part of the ear does sound travel to first?
The Outer Ear
100
Sound can give us information or act as a
warning
200
Louder sounds have _______ waves.
Bigger
200
Name one way to protect your hearing
turn down the volume, move away from the sound, ear plugs, keeping our ears clean and dry, not using q tips
200
Vibrations can also be called __________.
Soundwaves
200
After the sound travels through the ear canal, it hits the _______.
Ear Drum
200
Unpleasant sounds are also known as _____.
Noise
300
Smaller soundwaves are caused by _______ sounds.
Quieter/softer
300
Name a quiet sound that is safe to listen to
birds, whispers, normal conversation etc...
300
When the vibrations are fast you hear a _____ note.
High
300
The hammer, anvil and stirrup are in the outer, middle or inner ear?
middle ear
300
If someone can't hear, they will often communicate with
Sign Language
400
What does pitch tell us?
How high or low something is
400
What is a type of sound that could damage your hearing instantly?
Jet Take Off, an explosion, fireworks too close
400
When vibrations are slow, you hear a ______ note.
Low
400
Inside the cochlea, there are bundles of ______.
Hair
400
Damage to our ears depends on two things: how ____ the sound is and how ______ we are around the sound.
Loud and Long
500
What kind of sound is this? (Loud/soft and High/Low)
Loud and High
500
Above what decibels will hearing damage happen
85 dB
500
What direction does sound travel in?
All directions
500
What is the order that sound travels through in the ear?
Outer ear, ear canal, eardrum, hammer, anvil, stirrup, cochlea, inner ear (auditory nerve)
500
Name another support for people who can not hear when communicating.
Lip reading, hearing aids