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 short sring or bar?
Definition
higher pitch
Term
What pitch do you hear from a long string or bar?
Definition
lower pitch
Term
Fast vibrations make what kind of sound?
Definition
high pitch
Term
Slow vibrations make what kind of sound?
Definition
low pitch
Term
How does tension affect pitch?
Definition
Greater the tension= higher pitch
Term
Does sound travel best through solids, liquids, or gases?
Definition
liquids
Term
How can you amplify sound?
Definition
to get louder.
Term
How do ears assist hearing?
Definition
The ears send nerves
Term
What must sound have to be heard?
Definition
A sorce, a receiver, a medium to travle through.
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