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.

Where on Earth am I?

The video and worksheet set out a measurement challenge for students that can be carried out either at home or in school.  They must use a smartphone or tablet to calculate their locations using G.P.S. (Global Positioning System). They are encouraged to take multiple readings and submit them to the NPL website, via a link in the worksheet. 

This resource could be used as a context to investigate the relationship between repeatability and uncertainty.

The report file looks at measurements taken by NPL and draws some conclusions.

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