Science - Sound

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The flashcards below were created by user mshowley on FreezingBlue Flashcards.


  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

Card Set Information

Author:
mshowley
ID:
146111
Filename:
Science - Sound
Updated:
2017-06-16 16:43:44
Tags:
Sound
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Description:
Sound
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