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Rich has been teaching physics 2009. He is often found scurrying towards the free buffet on teacher training days.

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Rich has been teaching physics 2009. He is often found scurrying towards the free buffet on teacher training days.
Resistivity/Resistance investigation - Length vs. Resistance of pencil graphite
richwrigleyrichwrigley

Resistivity/Resistance investigation - Length vs. Resistance of pencil graphite

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I made a PowerPoint a few years back on how to make a resistor with pencils. Here are (differentiated) instructions explaining to students how to carry out the investigation. Included is the original publisher file if you want to edit it. If you don't have publisher a PDF is also included! To do this experiment you will need a digital multimeter that can measure resistance.
Energy and Efficiency (IB Physics Topic 8.1)
richwrigleyrichwrigley

Energy and Efficiency (IB Physics Topic 8.1)

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Aimed at IB DP students studying topic 8, but also suitable for A Level physics and higher ability GCSE/IGCSE students: Presentation and questions covering: Energy sources, renewable and non-renewable energy sources, efficiency, Sankey diagrams, energy density, specific heat capacity.
Atomic Bundle
richwrigleyrichwrigley

Atomic Bundle

4 Resources
Bundle of some of my more popular resources on atomic physics. Suitable for IB or A Level physics