Free Year 8 Science practice — examine Dalton’s model and diffusion in living systems. No account needed.
Evaluate selected claims in Dalton’s atomic model and explain diffusion examples in plants and the body. Correct answers can trigger celebrations. Feedback and retry options depend on the game.
Learning objective: Distinguish scientific models from literal structure and trace net particle movement down concentration gradients.
Curriculum anchor: England KS3 Science: simple atomic model; development of scientific ideas; diffusion in matter and living systems.
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 part is a model, which evidence later refined it, and where each diffusion gradient begins and ends. 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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