6.3 Particle Model of Matter

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Unit Summary

This unit aligns with the AQA science specification, building on prior knowledge while integrating substantive knowledge (science content) and disciplinary knowledge (working scientifically). Prior learning is reinforced through scaffolding and prompts to support all students.

Key lessons cover density, states of matter, changes of state, internal energy, specific heat capacity, specific latent heat, and gas laws. Each lesson incorporates retrieval practice such as quizzes, concept mapping, and flashback tasks. Revision activities include exam-style questions, practical-based reviews, and real-world applications, linking science to careers like engineering and nuclear.

Students will also gain valuable insights from industry experts at ARC exploring how scientific principles apply in real-world industries. Developing Experts supports schools in delivering the National Curriculum, ensuring lessons meet specification requirements while broadening aspirations through career connections and industry expertise.

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This unit has been written by

Samantha Batch

Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.

Underpinning this is a strong foundation in applied science built across a range of industry roles. Samantha has held scientific roles at John Smith's Brewery, Yorkshire Water and WasteCare, where she led technical projects, drove operational efficiencies and ensured compliance with industry standards. Across these roles she has first-hand experience of how scientific knowledge translates into measurable outcomes in professional and commercial environments.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket. 

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