Sound Travel in Liquids Quiz
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Questions and Answers

Can sound travel through a vacuum?

  • Only in certain conditions
  • Yes, it can
  • No, it cannot (correct)
  • Depends on the type of sound
  • What is one way to demonstrate that sound can travel through liquids?

  • Listening to music with earphones
  • Shaking a bell in water (correct)
  • Placing your ear on a wooden table
  • Blowing air bubbles in oil
  • How can you hear sound through a long metal rod?

  • By hitting the rod against a hard surface
  • By scratching the rod with a metal object (correct)
  • By heating one end of the rod
  • By shouting loudly into the rod
  • What is the purpose of asking friends around you if they can hear the same sound?

    <p>To confirm if sound can travel through solids</p> Signup and view all the answers

    What shape does the outer part of the ear resemble according to the text?

    <p>Funnel</p> Signup and view all the answers

    What could be a possible explanation for how whales and dolphins communicate underwater?

    <p>They emit high-frequency sounds that travel through water</p> Signup and view all the answers

    What is the unit used to express frequency?

    <p>Hertz</p> Signup and view all the answers

    If an object oscillates 20 times in one second, what is its frequency?

    <p>20 Hz</p> Signup and view all the answers

    Which property of a sound helps us differentiate between different sounds?

    <p>Amplitude</p> Signup and view all the answers

    What can happen if a sharp object is inserted into the ear?

    <p>Reduced hearing</p> Signup and view all the answers

    Which term describes the to and fro motion of an object?

    <p>Vibration</p> Signup and view all the answers

    What is the symbol used to represent frequency?

    <p>$Hz$</p> Signup and view all the answers

    Which medium(s) can sound travel through?

    <p>Solids, liquids, and gases</p> Signup and view all the answers

    Which individual is likely to have the minimum frequency in their voice?

    <p>A woman</p> Signup and view all the answers

    True or False: Sound cannot travel in a vacuum.

    <p>True</p> Signup and view all the answers

    Which of the following statements is true about the audible range for human ears?

    <p>20 Hz to 20,000 Hz</p> Signup and view all the answers

    What determines the loudness of sound?

    <p>Amplitude of vibration</p> Signup and view all the answers

    What is the term used for unwanted sound?

    <p>Noise pollution</p> Signup and view all the answers

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