ESO 2 Science 5

Sound

What to Learn

  • Sound is the transmission of mechanical waves.
  • The properties of sound: loudness and pitch.
  • Measuring sound.
  • The transmission of sound: speed, reflections.

Movies, Animations and Audios

Sound waves
Sound waves on fire

Sound waves on fire

Pump some flammable gas into one side of a tube, attach a speaker to the other side, and watch what happens to the columns of flames that issue from small holes along the top.

Images