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Practical Action
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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.
Ditch the dirt
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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Please be aware that resources have been published on the website in the form that they were originally supplied. This means that procedures reflect general practice and standards applicable at the time resources were produced and cannot be assumed to be acceptable today. Website users are fully responsible for ensuring that any activity, including practical work, which they carry out is in accordance with current regulations related to health and safety and that an appropriate risk assessment has been carried out.
Downloads
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Ditch the dirt - Teacher's Guide 1.64 MB
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Ditch the dirt - Certificates 2.36 MB
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Ditch the dirt - Poster 1.52 MB
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Ditch the dirt - PowerPoint 7.94 MB
Show downloads
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Ditch the dirt - Teacher's Guide 1.64 MB -
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Ditch the dirt - Certificates 2.36 MB
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Ditch the dirt - Poster 1.52 MB
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Ditch the dirt - PowerPoint 7.94 MB -
Download all files as a .zip20.51 MB
Information on the permitted use of this resource is covered by the Category Three Content section in STEM Learning’s Terms and conditions.
