Free Year 7 Science practice — connect reaction energy, heat, temperature, internal energy and conduction. No account needed.
Classify exothermic and endothermic changes and reason about temperature, internal energy and conduction. 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: Trace energy transfers for selected reactions, distinguish thermal quantities and explain bounded particle-level conduction and state-change evidence.
Curriculum anchor: England KS3 Science: exothermic and endothermic reactions; energy changes; particle motion; internal energy; and thermal conduction.
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.
Use system and surroundings language, then keep temperature distinct from the total internal energy of a sample. 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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