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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.

Functionality

From the Nuffield Foundation, the purpose of this module is to introduce students to the linked concepts of 'variable' and 'function', so that by recognising the independent variables in an experimental situation, they will be able to control the experiment in an organised manner. If they also keep records in a systematic way then, from a study of these records, often with the help of a graph or graphs, they will be able to predict with some degree of certainty the results to be expected following any given change in the situation.

The resource includes:

*Notes for the teacher including a brief overview of the content of the workcards and references to other resources

*Cards 1-2: experiments rolling a ball down a slope

*Cards 3-4: ‘pendulum’ experiments

*Card 5: loaded trolley on slope

*Card 6: deflection of a loaded ‘horizontal’ rod

*Card 7: simple balance

*Cards 8-10: experiments using loaded springs and spring balances

*Card 11: syphoning water

*Card 12: timing water leaking from a hole in a plastic cup.

Each of the cards is preceded by detailed teachers' notes.

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