Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
7th September 2026
- 1Efficiency, Power and Energy Resources
A lamp is supplied with 60 J and transfers 6 J as light. Calculate its efficiency as a percentage.
- 2Electricity
State the UK mains supply frequency and typical potential difference.
- 3Circuits, Resistance and Components
In a parallel circuit, how do the branch currents relate to the total current?
- 4Mains Electricity, Power and Energy
State the potential difference and frequency of the UK mains supply.
- 5Particle Model of Matter
State what happens to the internal energy of a substance as it is heated, in terms of the kinetic and potential energy of its particles.
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