Combined Science (A) J250,10 Higher June 2023, OCR GCSE Past Papers with Mark Schemes

1. Atomic Structure and Properties – Bohr’s model of the atom, electron behavior in energy levels, and atomic mass comparisons.

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

3. Electricity and Circuits – Ohm’s law applications, series and parallel resistance calculations, potential difference and current measurements.

4. Energy and Power – Kinetic and gravitational potential energy calculations, efficiency of energy transfer, and thermal energy changes in heating experiments.

5. Magnetism and Electromagnetism – Magnetic field interactions, force on current-carrying conductors, and application of Fleming’s left-hand rule.

6. Experimental Physics and Data Analysis – Evaluating errors in measurements, analyzing trends in graphical data, and improving experimental accuracy.