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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 or bar
Definition
high
Term
fast vibrations make what kind of sound
Definition
low sounds
Term
slow vibrations make what kind of sound
Definition
high sounds
Term
how does tension affect pitch
Definition
the greater the tension the higher the pitch
Term
how can you ampplify sound
Definition
makes sounds higher
Term
dose sound travel best through solids,luiqids,or gases,and why
Definition
liquids
Term
how can youamplify sound?
Definition
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
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