Shared Flashcard Set

Details

Sound
Sound
9
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 sound
Term
Slow vibibraions make what kind of sound?
Definition
A low sound
Term
How dose tension affect pitch?
Definition
The grater the tension the higher the pitch
Term
Dose soun travel best in solids, liquids, or gases?
Definition
liquids
Term
How can you amplify sound?
Definition
Useing a megaphone
Term
How do ears assist haring?
Definition
the outer ear directs sound to your inner ear and the inner ear sends sounds to the brain
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