AQA GCSE - Rate of diffusion (temperature practical)

This lesson was designed for a higher ability year 11 class studying the AQA GCSE Combined Science syllabus.
This lesson covers the three main factors affecting the rate of diffusion (temperature, surface area and concentration gradient). It includes a practical investigating temperature on the rate of diffusion in potassium permanganate crystals. Equipment list and method included on the slides.

• A 5-in-5 retrieval-style starter
• Direct instruction slides (dual coding, reduced cognitive load)
• Regular checks for understanding (quizzes)
• Guided ‘turn and talk’
• A class practical
• Independent practice tasks, with answer slides
• A written plenary task