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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
A high pitch
Term
What pitch do you hear from a long string or bar?
Definition
A low pitch
Term
Fast vibrations make what kind of sound?
Definition
A high pitch sound
Term
Slow vibrations make what kind of sound?
Definition
A low pitch sound
Term
How does tension effet pitch?
Definition
It makes the sound higher
Term
Does sound travel best through solids,liquids or gases,and why?
Definition
Liquids
Term
What must sound have to be heard?
Definition
A source,a receiver,and a medium to travel through
Term
How can you amplify sound?
Definition
Get tubes or a megaphone
Term
How dom ears assist hearing?
Definition
the outer ear directs the sound into the inner ear?
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