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    In this activity, students play different kinds of sounds near a computer’s microphone and watch the resulting visual display created by oscilloscope software.

    By the end of this activity, students should be able to:

    • relate the visual display to each sound played
    • appreciate the complexity of amplitudes and frequencies within real sounds.

    Download the Word file (see link below) for:

    • introduction/background notes
    • instructions on what you need and what to do
    • discussion questions
    • extension ideas.
      Published 10 May 2011 Referencing Hub articles