Free Year 7 Science practice — model states, changes, diffusion, pressure, density and mass. No account needed.
Use particle models for solids, liquids, gases, state changes, diffusion, Brownian motion, pressure, density and mass conservation. Correct answers can trigger celebrations. Feedback and retry options depend on the game.
Learning objective: Apply a bounded particle model to selected state, diffusion, pressure, density and conservation evidence.
Curriculum anchor: England KS3 Science: particle models, changes of state, conservation of material and mass, diffusion, Brownian motion, gas pressure and density differences.
This game is designed as short independent practice after an idea has been introduced. It does not replace direct teaching, mathematical or scientific discussion, or an adult checking whether the learner can explain the idea away from the screen.
Ask which observations the particle model explains and keep particles distinct from the substance’s visible bulk properties. Take a break when you need one.
Does it need an account? No. The game runs in the browser and asks for no name, email address, school or location.
Is it timed? Timing varies by activity. Check the available modes and instructions before starting.
Can it be used on a phone? Controls vary by game. Use the on-screen buttons or read the instructions for keyboard and drag actions.
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