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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 strig 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.
Term
Slow vibrations make what kind of sound?
Definition
A low pitch.
Term
How does tension affect pitch?
Definition
The tighter the objeck the higher the pitch.
Term
Dose sound travel best through solids,liquids, or gases,?
Definition
liquids.
Term
How can you amplify sound?
Definition
You make the sound louder.
Term
How do ears assist hearing?
Definition
Your ears help direct the sound into your inner ear and your inner ear directs the sound into your brain.
Term
What must sound have to be heard?
Definition
A source,a receiver,and a medium to travel through.
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