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Chemistry · KS2 · 8 lessons
Particle Theory
Eight lessons on atoms, diffusion, the three states of matter and the first four big ideas about chemical reactions.
- 1
Introduction to particle theory, the existence of atoms and diffusion
Demonstrations
- • Whoopee cushion
- • Diffusion of ink in hot and cold water
Pupil investigations
- • M&M diffusion
- • Diffusion of essential oils
- 2
States of matter — gases
Demonstrations
- • Whoosh bottle
- • Carbon dioxide trough
Pupil investigations
- • Hand, breath, ice and water condensation
- • Exploding bag
- 3
States of matter — liquids
Demonstrations
- • Gallium spoon
- • Laminar flow
- • Ketchup bottle
Pupil investigations
- • Investigating emulsifiers
- • Exploring non-Newtonian liquids (cornstarch)
- 4
States of matter — solids
Demonstrations
- • Funny putty and silly putty
Pupil investigations
- • Class circus: classify the material
- • Measuring the density of solids
- 5
Basic chemical reactions 1 — physical vs chemical processes
Demonstrations
- • Elephant's toothpaste
- • Oxygen test
Pupil investigations
- • Iron vs sand
- • Salt vs sand
- • Sand and polystyrene
- • Cream and ketchup
- 6
Basic chemical reactions 2 — temperature changes
Demonstrations
- • Massive foaming endothermic reaction
Pupil investigations
- • Exothermic and endothermic reactions
- • Endothermic processes (salt and water)
- 7
Basic chemical reactions 3 — speed of reactions
Demonstrations
- • Nail and water rusting
- • Ethanol flame
- • Icing sugar tin explosion
Pupil investigations
- • Racy rhubarb: surface area
- 8
Basic chemical reactions 4 — mass changes
Demonstrations
- • Combustion of paper
- • Propanone and EPS: disappearing plastic
Pupil investigations
- • Combustion of iron wool