Free Year 8 Science practice — compare resistors, conducting liquids and the National Grid. No account needed.
Compare resistor types, charge carriers in liquids, National Grid transmission and generation 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 resistance and charge carriers to circuit behaviour and trace energy transfer across the grid.
Curriculum anchor: England KS3 Science: current electricity; resistance; series and parallel circuits; mains and energy resources.
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 what carries charge, which variables are controlled and why quiz knowledge never authorises mains work. 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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