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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
low pitch.
Term
What pitch do you hear from a short string or bar?
Definition
high pitch.
Term
Fast vibrations make what kind of sound?
Definition
make high pitch sound.
Term
Slow vibrations make what kind of sound?
Definition
make low pich sounds.
Term
How does tension affect pitch?
Definition
the grater the tension the higher the pitch.
Term
Does sound travel best though solids,liquid,or grases, and why?
Definition
liquid because sound can go through it easier.
Term
How can you amplify sound?
Definition
megaphone.
Term
How do ears assist hearing?
Definition
it is lik a megaphone in a way.
Term
What must sound have to be heard?
Definition
a source a receiver and a medium to travel though.
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