BBC Learning Zone Clips

CLIP 11

How does sound travel through the air?

How does sound travel through the air?
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Key Info
  • How does sound travel through the air?
  • Duration: 01:18
  • A demonstration of how sound travels through the air or any other medium. Sound is transmitted from a source to the surrounding air particles, which vibrate or collide and pass the sound energy along to our ears. Without any particles to vibrate we wouldn't hear the sound. The presenter demonstrates this with a sound source suspended in a vacuum.
  • Subject:

    Science

       Topic:

    Phys: Waves - Sound and Light

  • Keywords: sound, energy, sound travel, air, particles, vibration, waves
Ideas for use in class
  • Reinforcement of how sound travels through air.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

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