Free Year 4 science practice — follow, choose and repair simple identification keys using observable features. No account needed.
Follow supplied branching keys, choose useful observable questions and repair routes that overlap or fail to identify every item. 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: Use two-choice observable-feature steps to identify organisms in a supplied set and recognise defects in a simple key.
Curriculum anchor: England Year 4 science: explore and use classification keys to help group, identify and name living things.
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.
Try one route with safe local observations, then ask whether every organism has exactly one endpoint. 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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