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Integrated Coordinated Science for the 21st Century

+ Chapter 4
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Answers
Stretching Exercises
  1. Try the lengths for a major scale:
    11 cm
    9.8 cm
    8.8 cm
    8.3 cm
    7.4 cm
    6.6 cm
    5.9 cm
    5.5 cm
  2. Movement of the air in the pipe produced a standing wave. If paper bits are sucked into the pipe, that shows the direction of the air flow.