Questions and Answers
Can sound travel through a vacuum?
No, it cannot
What is one way to demonstrate that sound can travel through liquids?
Shaking a bell in water
How can you hear sound through a long metal rod?
By scratching the rod with a metal object
What is the purpose of asking friends around you if they can hear the same sound?
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What shape does the outer part of the ear resemble according to the text?
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What could be a possible explanation for how whales and dolphins communicate underwater?
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What is the unit used to express frequency?
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If an object oscillates 20 times in one second, what is its frequency?
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Which property of a sound helps us differentiate between different sounds?
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What can happen if a sharp object is inserted into the ear?
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Which term describes the to and fro motion of an object?
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What is the symbol used to represent frequency?
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Which medium(s) can sound travel through?
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Which individual is likely to have the minimum frequency in their voice?
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True or False: Sound cannot travel in a vacuum.
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Which of the following statements is true about the audible range for human ears?
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What determines the loudness of sound?
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What is the term used for unwanted sound?
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