Extracted and refreshed from section 12 of the Handbook, this gives a brief summary of available wave motion demonstrations.

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Instructions on how to make freefall acceleration apparatus using an Arduino microcontroller with homemade switches.  See accompanying zip folder GL217a for Arduino code.

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Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school. 

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Extracted and refreshed from section 12 of Handbook, includes a range of traditional dynamics investigations, with instructions and explanations.

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