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Science - Sound

  1. How is sound made?
    By vibrations
  2. How does sound travel?
    It is transferred in waves
  3. Does sound travel through a vacuum (empty space)?
    No
  4. Which travels faster, light or sound?
    Light
  5. What happens if the frequency of a sound wave increases?
    It increases the pitch of the sound
  6. What happens if the amplitude if a sound wave increases?
    It increases the loudness of the sound
  7. What is an echo?
    This is when sound reflects off a surface
  8. State an advantage of an echo
    Echo sounding to find out the dpeth of a sea
  9. State a disadvantage of an echo
    It is a nuisance in large halls, cinemas and theatres
  10. What is the unit used to measure sound?
    Decibels
  11. List ways in which a person can reduce sound levels in their house
    Use carpets and curtains in a house

    Use double glazing windows
  12. State two differences between light and sound
    Light travels through a vacuum (empty space) but sound does not

    Light travels faster than sound
Author
mshowley
ID
146111
Card Set
Science - Sound
Description
Sound
Updated

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