sound

• What does Vibration mean in sound?

  Movement of molecules by sound waves
• What does medium mean in sound?

  Material that conducts sound
• What does vacuum mean in sound?


  Absence of a medium.
• What is the meaning of speed of sound?

  Sound travels at a specific rate through a medium.
• What is the meaning of speed of light?

  Constant.
• What are sound waves?

  Vibrations in a medium that travel as longitudinal waves.
• How does sound travel through a solid?

  Vibrations
• How does sound travel through a gas?

  By compression and rarefaction.
• How does sound travel through a liquid?

  Faster