A complete, ready-to-teach GCSE Biology lesson exploring diffusion and the movement of substances across cell membranes. Students develop their understanding of diffusion, concentration gradients and the factors that affect the rate of diffusion, before applying their knowledge to GCSE-style questions.
This resource includes:
- Retrieval Practice – a structured retrieval activity to recap prior knowledge of cells, cell membranes and movement of substances.
- Diffusion – clear explanations of diffusion as the net movement of particles from an area of higher concentration to an area of lower concentration.
- Concentration Gradients – activities exploring how concentration gradients affect the movement of substances.
- Factors Affecting Diffusion – opportunities to explore how surface area, distance, temperature and concentration gradient can affect the rate of diffusion.
- Independent Tasks – activities allowing students to apply and consolidate their understanding independently.
- Exam Questions – GCSE-style questions requiring students to explain diffusion, interpret data and apply their knowledge to unfamiliar contexts.
- Answers Included – complete answers and model responses to support self-assessment and teacher feedback.
- Learning Checkpoints – regular AfL opportunities to check understanding, identify misconceptions and assess progress throughout the lesson.
- AfL Techniques – opportunities for questioning, self-assessment, peer assessment and checking responses against model answers.
- Plenary – students reflect on the lesson outcome and assess their confidence in explaining diffusion and the factors that affect its rate.
Suitable for
GCSE Biology
GCSE Combined Science
Year 9, Year 10 and Year 11
Suitable for a range of exam boards, with content aligned to core GCSE Cell Biology requirements.
A structured lesson designed to help students confidently define diffusion, explain the role of concentration gradients and apply their understanding to factors affecting the rate of diffusion.
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£3.00