Combined Science study guides
GCSE-OCR Β· GCSE (OCR) Β· aligned to OCR.
- OCR Gateway GCSE Combined Science A Biology: cells and transport (B1 to B2) overview
An overview of the cell level systems and scaling up content (topics B1 and B2) in OCR Gateway GCSE Combined Science A (J250), mapping cell structure, enzymes, respiration, photosynthesis, mitosis, transport across membranes and transport systems, and how they are examined on Biology Paper 1.
π 8 min readJ250 Biology B1-B2 - OCR Gateway GCSE Combined Science A Biology: organisms and ecosystems (B3 to B6) overview
An overview of the organism level systems, community level systems, genes and inheritance, and global challenges content (topics B3 to B6) in OCR Gateway GCSE Combined Science A (J250), mapping the nervous and hormonal systems, ecosystems and cycles, genetics, evolution and disease, and how they are examined.
π 8 min readJ250 Biology B3-B6 - OCR Gateway GCSE Combined Science A Chemistry: particles and bonding (C1 to C2) overview
An overview of the particles and elements, compounds and mixtures content (topics C1 and C2) in OCR Gateway GCSE Combined Science A (J250), mapping the particle model, atomic structure, the periodic table, bonding, the properties of materials and separation techniques, and how they are examined on Chemistry Paper 3.
π 8 min readJ250 Chemistry C1-C2 - OCR Gateway GCSE Combined Science A Chemistry: reactions and analysis (C3 to C6) overview
An overview of the chemical reactions, predicting and identifying reactions, monitoring and controlling reactions, and global challenges content (topics C3 to C6) in OCR Gateway GCSE Combined Science A (J250), mapping reaction types, energetics, electrolysis, the reactivity series, chemical tests, rates, equilibrium and the Haber process.
π 8 min readJ250 Chemistry C3-C6 - OCR Gateway GCSE Combined Science A Physics: electricity, waves and radiation (P3 to P4) overview
An overview of the electricity and magnetism and waves and radioactivity content (topics P3 and P4) in OCR Gateway GCSE Combined Science A (J250), mapping circuits, electromagnetism, wave properties, the electromagnetic spectrum, radioactivity and half-life, and how they are examined.
π 8 min readJ250 Physics P3-P4 - OCR Gateway GCSE Combined Science A Physics: matter, forces and energy (P1, P2, P5) overview
An overview of the matter, forces and energy content (topics P1, P2 and P5) in OCR Gateway GCSE Combined Science A (J250), mapping density and the particle model, motion and Newton's laws, momentum, energy stores, power and efficiency, and the national grid, and how they are examined.
π 8 min readJ250 Physics P1, P2, P5