Year 7 · Autumn Second Half
Chemistry
2 lessons from 1 unit.
Unit C1 · lessons 5 to 6 of 6
Everything around you — this page, the air in your lungs, the water in a glass — is built from particles far too small to see. This unit builds that idea, then pushes it until it nearly breaks.
- 05DiffusionModelSomeone opens a bottle of perfume at the far end of a room. Before long you can smell it. Draughts and convection carry it most of the way — so what covers the last stretch?Open this lesson
- 06Testing the model: does it explain everything?InvestigationYou have spent five lessons being shown how well the particle model works. Here are seven things it has to account for. Three of them it cannot. What should be done about that?Open this lesson
Back to all three sciences this half term The whole KS3 Chemistry course