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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,...

Recycle or Reuse? - Secondary Global Upd8

This activity examines the meanings of the terms reduce, reuse and recycle. Students consider the efficacy of recycling and reusing and whether they produce the desired results of reducing waste and energy requirements and minimising primary resource use. They then compare the impacts of recycling aluminium to...

Product analysis: impacts on people and the environment

This resource from Practical Action includes a presentation and worksheets which give Key Stage Three and Four students opportunities to understand more about the impact of existing and new products on people and the environment. The presentation is packed with useful activities to reinforce students' learning. The...

Plastic challenge

This resource contains a series of lessons which are designed to extend students’ knowledge and understanding of plastics and plastic waste on a global scale. Linking to materials and their properties, the environment, recycling and design and technology, they contain investigations and activities aimed at both...

Iodine Initiative - Secondary Global Upd8

In this activity students discover how a Tanzanian initiative reduced iodine deficiency diseases, and look at lessons the UK can learn from the example of this African nation. According to recent reports, up to 70% of British young people do not take in enough iodine. Iodine deficiency causes goiter and brain...

James Webb Space Telescope

This IET DIY Faraday Challenge asks students to design and prototype a product or process involved in creating the James Webb Space Telescope. Your design must include an electric circuit and should be designed as a working prototype.

The James Webb Space Telescope (or Webb for short), will allow us...

Flood Alert

In this lesson, students devise their own flood warning device and create a technical brief for an international audience using recognised circuit symbols. They also consider how people both here and in Nepal can best prepare for floods. Heavy monsoon rains can devastate communities in Nepal. The severe flooding...

Floating Garden STEM challenge

This challenge, from Practical Action, requires students to design and build a model structure that will enable farmers to grow crops even in an area that may become flooded. A floating garden, built on a base of aquatic weeds, is a cheap and sustainable way of allowing people to grow vegetables. The resource can...

Design for a better world

Design for a better world is a design challenge for students aged 11-14 years. It offers students the opportunity to:

  • Learn about the global goals for sustainable development.
  • Access a range of global contexts including water and sanitation, food security and climate action in which to...

Solar Challenge

Students investigate the generation of electricity by solar cells and how this can transform the lives of people without access to mains electricity.  The challenge is based on Practical Action's work in Gwanda, Zimbabwe.  

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