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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...

Pumpkins against Poverty

This cross curricular resource explores the difference that growing pumpkins can make to the lives of people living in flood affected regions in Bangladesh. It includes finding out about Bangladesh and its people and ways to address poverty, investigating the pumpkin lifecycle and seed germination, designing and...

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...

Meal deal

In this resource students explore the science of combustion in the context of fuel-burning stoves from around the world. They investigate the energy output from a variety of fuels covering calorific values, simple combustion chemistry, stove efficiency and chimney design. The unit ends with a design task requiring...

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...

Acids and redox: delivery guide for AS and A level chemistry

This booklet contains a range of suggested teaching activities and contexts for acids and redox reactions at A level. Curriculum links include acids, redox, titration, calculations, oxidation, reduction, and formulae.

Although produced to support the teaching of OCR AS/A Level Chemistry A specifications (...

Food preservation

This teaching resource examines the role of science and technology in preserving food as an important part of global food security. It considers the scale of food spoilage across the globe and the consequences of this for people and their diets. Students investigate simple ways of preserving food relating their...

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...

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