This lesson or enrichment activity investigates recursive algorithms using Fibonacci series.

It begins with an engaging maths magic trick ‘how to fake a super brain’ that uses a special property of Fibonacci numbers, and proceeds to look at the Golden Ratio in nature and its ‘beautiful’ properties.

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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.  

This activity looks at water consumption on a local and global scale. Students learn about the main water contaminants and various methods of purification and the role of engineers and their approach to design challenges. The resource aims to inspire an interest in water conservation and to introduce students to...