General Science Sound Waves Flash Card Set 618233

Card 1 of 10
Speed

The speed of a sound wave will vary with the medium. Sound travels fastest through media that has particles that are very close together, like metal. Thus, it travels faster through water than through air and doesn't travel at all through a vacuum (there are no particles in empty space to vibrate).

vacuum

Sound doesn't travel at all through a(n) __________.