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Coat Hanger Sound Vibrator (OW-D-CV)

Coat Hanger Sound Vibrator (OW-D-CV)



Demonstrates the difference between sound vibrations traveling through a solid and through the air.

LAB EQUIPMENT

1.  Coat hanger
2.  String (1.5 m)


  • Description

    Product Description

    DIRECTIONS

    1.  Tie each end of the string to a coat hanger as shown.
    2.  Hit the end of the coat hanger against a hard surface to start vibration.
    3.  Swing the coat hanger like a pendulum and listen to the sound.
    4.  Hit the end of the coat hanger against a hard surface again.
    5.  Holding the ends of the string, press them tightly against your ears and swing       the coat hanger like an elephant trunk.