11/23/09

Post date: Nov 23, 2009 2:30:46 PM

Bell Ringer: What causes the flames the the flame tube demo to get taller and shorter?

• • Flame tube demo

    • Sound waves are changes in pressure

    • Pressure is seen as the height of the flame (more pressure = more gas squeezed out = taller flame)

    • Standing waves are sometimes created, length of wave depends on frequency of tone

  • Blue Man Group Clips - how do we change the sound made by an instrument?

• 15.2 Notes