Gum investigation
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Gum investigation
https://www.tes.com/magazine/archive/gum-investigation
The first day was spent researching, discussing and planning the investigation. Pupils used the internet and resources in the school and local libraries, and spoke to local environment agencies. They carried out the investigation in a similar manner to the standard science investigations at key stage 4. During the planning process, they focused on fair testing, looking at variables and making predictions based on scientific evidence. Variables investigated included solvents and their dissolving abilities, types of gum, size and shape of scrapers and the nature of the surfaces to which the gum was adhered. Pupils removed gum on the school premises using a variety of techniques.
On the second day, they analysed their results and presented their conclusions on posters and PowerPoint presentations. Pupils were encouraged to use high-level words such as polymer, solubility and adhesion. The aim of the project was to encourage teamwork, research a scientific topic, develop presentation and communication skills, prepare for high-level work and help integrate the new Year 7s. The event was extremely rewarding for teachers and pupils, who earned a Crest Bronze Award.
Ansar Iqbal Acting head of science, Kings Langley School, Hertfordshire
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