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10 questions
Sound travels fastest in...
solids
liquids
gases
air
Sound waves travel the slowest through _____________.
gases
solids
liquids
Sarah and Maria made a telephone using two cans and a string. It was a very long string. Maria went upstairs in her house and Sarah stayed downstairs. Maria spoke softly into the can. "I can hear you!' Sarah said back. How can this happen?
Sound waves travel through a vacuum.
Sound waves travel from high to low.
Sound waves travel through solids like the string.
Maria talked so loudly that Sarah could hear her without the phone.
Will a homemade telephone made of two cans and a string work better with a tightly-woven string or a loosely-woven string?
a tightly woven string because it will not come apart as easily
a loosely woven string because the sound waves have more room to move
a tightly woven string because sound waves travel best through dense materials
a loosely woven string because sound waves travel best through less dense materials
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