Stop the spread is a new STEM challenge for students aged 7 to 16. Highlighting the global issue of infectious disease students design, build and test a model of a hand washing device and produce educational materials for children in Kenya to encourage hand washing. It is accredited for the British Science...

This resource, from Siemens UK, encourages students to appreciate the importance of clean water and the problems that may arise in the absence of it. Students consider soluble and insoluble pollutants and methods of filtration. They then explore contamination by microorganisms, water-borne diseases and the...