Classroom Sound Monitor

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This cross curricular activity includes science content from Year Four of the primary curriculum. It introduces programming and control, linked to the outside world through sensors - in this case, the computer's built-in microphone or a peripheral microphone. Programs are written using Scratch (online or offline) after a short design activity - some knowledge of Scratch is advantageous. Links to physical computing devices, such as Lego WeDo, are highlighted. Extension activities include the use of variables to hold threshold values for triggering events dependent on volume of noise. Teaching notes are included suggesting a range of possible routes of development.

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