Chemistry, pure and impure substances: diffusion in terms of the…
Chemistry, pure and impure substances: diffusion in terms of the particle model.
The National curriculum in England: science programmes of study, Key Stages 1–3 outcome for Years 7–9 says: “Chemistry, pure and impure substances: diffusion in terms of the particle model.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson.
Hot and Cold: Particles on the Move Grade 6
Why tires go soft in winter, why sidewalks have gaps, and how a thermometer knows. Five lessons on what heating and cooling do to the particles in everything around us.
- Why does food colouring spread faster in hot water? 45–60 min
Two cups, two drops, one race. Students drop food colouring into warm and ice-cold water at the same moment, then explain what the moving colour tells us about particles they can't see.
More England Years 7–9 science outcomes we teach
Every England Years 7–9 science curriculum outcome we teach
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