Ditch the dirt

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This challenge enables pupils to model and test filters as a way of making dirty water cleaner. It can also be used to explore ways of making water safe to drink.  Curriculum links include separation techniques and pure substances.

The challenge can provide a focus for National Science and Engineering Week, be used as a STEM or science club activity, to enhance a lesson,  or form the basis of an enrichment day.  The resource consists of a presentation and worksheets, all accompanied by detailed teachers' notes, and a poster and attainment certificates.

 

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