Can you hear it? Samuel DuPont 2009  Light  Heat  Sound  Electrical  Motion Samuel DuPont 2009.

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Presentation transcript:

Can you hear it? Samuel DuPont 2009

 Light  Heat  Sound  Electrical  Motion Samuel DuPont 2009

 Sound is caused by motion of air  Vibrations  The air moves in waves  Sound Waves  Similar to “Energy of Motion”  Moving air Samuel DuPont 2009

 A Sound Wave  Length of the Wave (Wavelength) ▪ Pitch  Amplitude ▪ How loud it is Samuel DuPont 2009

 Wavelength determines Pitch Low Pitch (Bass)High Pitch (Treble) Samuel DuPont 2009

 We get a full sound wave Samuel DuPont 2009

 We make Vibrations  Smack our hands together  Hit the desk Samuel DuPont 2009

 Vibrating Rulers  Shorter makes higher pitch  Rubber bands  Stretching makes higher pitch  Acoustic Guitar Samuel DuPont 2009