ESO 2 Science 5


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 and Animations

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.