Free Year 8 Science practice — connect food evidence, digestive organs, enzymes and the gut microbiome. No account needed.
Use food-test evidence, trace digestive-system functions, explain enzyme roles and interpret bounded gut-microbiome evidence. 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: Connect nutrients, organs, adaptations, enzymes and microorganisms while keeping health conclusions appropriately bounded.
Curriculum anchor: England KS3 Science: nutrition and digestion; tissues and organs; enzymes as biological catalysts; health and evidence.
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 the learner to trace where a process happens, name the substance involved and state what the evidence cannot diagnose. 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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