Combined Science (A) J250,11 Higher June 2018, OCR GCSE Past Papers with Mark Schemes

1. Magnetism and Electromagnetism – Magnetic field strength around wires, effects of current on compasses, and applications of Fleming’s left-hand rule.

2. Energy and Heat Transfer – Specific heat capacity definitions, energy required to raise temperature, and analysis of heating curves.

3. Forces and Motion – Calculations involving acceleration, mass, and force, impact of resistance forces, and terminal velocity conditions.

4. Electric Circuits and Components – Circuit diagrams, resistance calculations, power and energy equations, and motor function analysis.

5. Static Electricity and Charge Interactions – Van de Graaff generator demonstrations, charge repulsion, and calculations of charge flow over time.

6. Experimental Investigations – Investigating resistance in thermistors, identifying experimental errors, and analyzing trends in resistance-temperature relationships.