This lesson was designed for a higher ability year 11 class studying the AQA GCSE Combined Science syllabus.
This lesson looks at gas exchange in the gills, the structure of the gills, ram ventilation and the adaptations of the gills.
This resource includes:

• A 5-in-5 retrieval-style starter
• A lesson hook
• A demo (fish head dissection)
• Direct instruction slides (dual coding, reduced cognitive load)
• Regular checks for understanding (quizzes)
• Guided ‘turn and talk’
• Independent practice tasks, with answer slides
• Exam questions with scaffolds provided and answer slides
• A written plenary task