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 with over 15 years of leadership experience and a strong background in scientific analysis. She has a proven record of leading departments effectively, improving practice, and working collaboratively with stakeholders.

In her current work, Samantha embeds evidence-informed pedagogical principles such as retrieval practice, clear modelling, and effective sequencing to support high-quality curriculum design and professional development. She draws on assessment insight and common misconceptions to help teachers secure strong student understanding.

She is a former Head of Chemistry and Sixth Form Tutor at Ilkley Grammar School, with extensive Key Stage 4 and 5 experience, and an AQA examiner, giving her valuable insight into assessment standards and exam requirements.

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

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