Shared Flashcard Set

Details

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

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Cards

Term
what causes sound?
Definition
vibration
Term
what pitch do you hear from a long string?
Definition
low
Term
what pitch do you hear from a short string?
Definition
high
Term
fast vibrations make what kind of sound?
Definition
a low pitch
Term
slow vibrations make what kind of sound?
Definition
a high pitch
Term
how does tension affect pitch?
Definition
the greaterthe tension the higher the pitch
Term
does sound travel best through solids,liquids,or gases?
Definition
liquids
Term
how can you amplify sound?
Definition
makes sound lowder
Term
how can ears assist hearing?
Definition
inner ear
Term
what must sound have to be heard?
Definition
a source a receiver and a median to travel
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