Combined Science (A) J250,12 Higher June 2019, OCR GCSE Past Papers with Mark Schemes

1. Kinetic Energy and Motion – Calculations involving kinetic energy, velocity, acceleration, and stopping distances in vehicle safety.

2. Waves and Electromagnetic Radiation – Measuring wave properties, calculating wave speed, and understanding energy levels in atomic transitions.

3. Forces and Elasticity – Hooke’s Law applications, spring constant determinations, and potential energy in stretched materials.

4. Nuclear Physics and Radiation – Understanding half-life, nuclear decay equations, and the impact of radiation on materials.

5. Electricity and Power Usage – Resistance, power relationships, energy transfer in electrical appliances, and calculations involving transformers.

6. Thermal Energy and Specific Heat Capacity – Methods for measuring specific heat capacity, ensuring experimental accuracy, and analyzing heat transfer efficiency.