Combined Science (A) J250,11 Higher June 2023, OCR GCSE Past Papers with Mark Schemes

1. Atomic Structure and Models – Niels Bohr’s contribution to atomic theory, energy levels, and electron behavior in atoms.

2. Forces and Motion – Resultant force calculations, displacement vs. distance, acceleration in circular motion, and Newton’s laws applications.

3. Electricity and Circuits – Resistance and power calculations, circuit behavior in parallel and series setups, and electrical safety principles.

4. Waves and Energy Transfer – Light and sound wave behaviors, energy calculations, and experimental setups for wave studies.

5. Heat Transfer and Specific Heat Capacity – Energy transfer in materials, calculating energy loss, and efficiency of heating systems.

6. Practical Investigations and Data Analysis – Evaluating experiment errors, improving accuracy, and interpreting scientific graphs and tables.