Free Year 9 Science practice — infection, smoking, alcohol and health evidence. No account needed.
Recognise infection barriers and evaluate general evidence about microorganisms, smoking, alcohol and drugs. The default practice mode is untimed, so the learner can think before choosing. Correct answers build a gentle celebration; mistakes receive corrective feedback and return later rather than causing a penalty spiral.
Learning objective: Separate risk reduction, association, mechanism and personal medical advice when reasoning about health evidence.
Curriculum anchor: England KS3 Science: health, disease, microorganisms, drugs, alcohol, smoking and effects during pregnancy.
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.
Keep claims at population-evidence level and direct personal concerns to a trusted adult and qualified professional. Stop while attention is still good. A short accurate return tomorrow is more useful than extending a tired session today.
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? Practice is untimed. Where a sprint exists it is optional. Times Tables Sprint also includes MTC-style independent practice, not an expected-standard judgement.
Can it be used on a phone? Yes. Buttons support touch and keyboard use; sorting always has a tap alternative to dragging.
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