Combined Science (A) J250,11 Higher November 2021, OCR GCSE Past Papers with Mark Schemes

1. Forces and Motion – Resultant force calculations, Newton’s laws, acceleration in collisions, and analyzing velocity-time graphs.

2. Electricity and Circuits – Resistance in circuits, energy transfer in electrical systems, circuit diagrams, and the role of variable resistors.

3. Energy and Heat Transfer – Specific heat capacity, energy calculations in phase changes, and efficiency of heating systems.

4. Waves and Electromagnetism – Magnetic fields around current-carrying wires, applications of electromagnets, and calculating magnetic flux density.

5. Practical Investigations and Data Interpretation – Improving experimental accuracy, interpreting graphical data, and identifying systematic and random errors.

6. Momentum and Collisions – Conservation of momentum, energy transformations in inelastic collisions, and real-world applications in vehicle safety.