Sound
Conductors and Insulators
Parts of the ear
100
Where does sound come from?
Soundwaves cause by vibrations
100
What is a sound conductor?
A sound conductor is something that allows sound to travel through it.
100
On the diagram, show where the pinna is
pinna
200
What is pitch?
How high or how low a sound is.
200
What is a sound insulator?
A sound insulator is something that muffles or mute a sound.
200
On the diagram, show where the ear drum is.
ear drum
300
What is sound frequency?
How fast or how slow soundwaves travel.
300
Is AIR a sound insulator or conductor?
Conductor!
300
On the diagram, show where the ear bones are.
Ear bones
400
If we could see soundwaves, what would they look like?
Wavy lines, not straight!
400
Does sound travel faster through air or through metal?
Metal.
400
On the diagram, show where the ear canal is.
ear canal
500
Why do smaller keys on a xylophone have a higher pitch?
Because the vibrate more quickly, giving the soundwaves a higher frequency. The higher the frequency, the higher the pitch!
500
Is a brick wall a sound insulator or conductor?
Conductor!
500
On the diagram, show where the cochlea is.
cochlea
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