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 hear from a short string or bar?
Definition
high pitch
Term
What pitch do you hear from a long string or bar?
Definition
low pitch
Term
Fast vibrations make what kind of sound?
Definition
make high pitch sounds
Term
Slow vibrations make what kind of sound?
Definition
make low pitch sounds
Term
How does tension affect pitch?
Definition
the grater the tension the higher the pitch
Term
Does sound travel best throgh solids,liqids or gases and why?
Definition
liquid because sound can go throw esyer
Term
How can you amplify sound?
Definition
blowhorn
Term
How do ears assist hearing?
Definition
your ear is cone shapet
Term
What must sound have to be herd?
Definition
you have to have a reciver and a source and a medium to travel through
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