Shared Flashcard Set

Details

sound
sound
10
Science
4th Grade
09/12/2011

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Cards

Term
what causes sound
Definition
vibrations
Term
what pitch do you hearfrom a short string or bar
Definition
high
Term
what pitch do you hear from along string or bar
Definition
low
Term
fast vibrations make what kind of sound
Definition
high
Term
slow vibrations make what kind of sound
Definition
low
Term
how does tension affect pitch
Definition
the grater the tension the high the pitch
Term
does sound travel best through solids liquids or gases
Definition
solids liquids
Term
how can you amplify sound
Definition
uesing a megaphone
Term
how do ears assist hearing
Definition
the inner ear nerves gets sound to the brain
Term
what must sound have to be heard
Definition
a source a recever and a medium to travel through
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