Sound Facts

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Here are some interesting facts about sound.

Did you know...?

  • Sounds are nothing more than tiny shaking movements of the air.
  • Sounds are made when a material vibrates.
  • Fast vibrations make a high sound, and slow vibrations make a low sound.
  • Large vibrations make a loud sound, and small vibrations make a quieter sound.
  • Plucking, blowing, shaking, beating or scraping can make sounds.
  • Sound can travel through materials.
  • Hard materials can reflect sound so that the sound travels back in the opposite direction. This is called an echo.
  • Whales in the ocean "sing" to each other. The sound of their song can travel a distance of 800km.
  • Sound moves through the air at 340m per second.

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