GCSE Separate Sciences A (Gateway) (OCR)

72 free revision lessons in 10 units. Open the course or go straight to a lesson.

Biology Paper 1

Cell level systems and scaling up: cells, enzymes, respiration, photosynthesis, transport.

1. Cell Structures and Microscopy
2. DNA, Enzymes and Cell Division
3. Respiration and Synthesis of Biological Molecules
4. Photosynthesis and Limiting Factors
5. Transport: Diffusion, Osmosis and Active Transport
6. Plant and Animal Transport Systems
7. The Nervous System and Reflex Arc
8. Hormones, the Menstrual Cycle and Plant Hormones

Biology Paper 2

Organism systems, ecosystems, inheritance, evolution and global challenges.

1. Homeostasis: Blood Glucose and Temperature
2. The Kidneys and Osmoregulation
3. Ecosystems, Biotic and Abiotic Factors
4. Reproduction, Meiosis and DNA
5. Inheritance and Genetic Disorders
6. Variation, Evolution and Speciation
7. Monitoring the Environment and Biodiversity
8. Feeding the Human Race: Selective Breeding and GM
9. Health, Disease and the Immune System

Chemistry Paper 1

Particles, atomic structure, bonding, properties and chemical reactions.

1. The Particle Model and States of Matter
2. Atomic Structure and the Development of the Atom
3. Periodic Table and Group Trends
4. Purity, Separating Mixtures and Chromatography
5. Bonding: Ionic, Covalent and Metallic
6. Properties of Materials and Nanoparticles
7. Chemical Reactions, Equations and Moles
8. Energetics, Reaction Profiles and Bond Energies

Chemistry Paper 2

Reactions, electrolysis, rates, equilibria and chemistry's role in global challenges.

1. Types of Reaction: Redox, Acids and Neutralisation
2. Electrolysis of Molten and Aqueous Compounds
3. Identifying Substances: Flame Tests and Gas Tests
4. Rates of Reaction and Collision Theory
5. Reversible Reactions and Le Chatelier's Principle
6. Improving Processes: Metals, LCAs and Recycling
7. Organic Chemistry: Hydrocarbons, Alcohols and Polymers
8. Earth's Atmosphere and Climate Change
9. Earth's Resources: Water, Pollution and Sustainability

Physics Paper 1

Matter, forces, motion, electricity and magnetism — the foundations of physics.

1. Particle Model, Density and Pressure
2. Internal Energy, SHC and Latent Heat
3. Motion: Speed, Velocity and Acceleration
4. Newton's Laws and Resultant Forces
5. Forces in Action: Springs, Hooke's Law and Moments
6. Static Electricity and Simple Circuits
7. Series, Parallel and Domestic Electricity
8. Magnets, Magnetic Fields and the Motor Effect

Physics Paper 2

Waves, radioactivity, energy resources and beyond Earth — physics in the wider world.

1. Wave Behaviour and the Wave Equation
2. The Electromagnetic Spectrum
3. Wave Interaction: Reflection, Refraction and Lenses
4. Radioactivity: Emissions, Half-Life and Equations
5. Uses and Dangers of Radiation
6. Work, Energy and Power
7. Energy Resources and Efficiency
8. Physics on the Move: Stopping Distances and Momentum
9. Beyond Earth: Solar System, Stars and the Universe

Higher Calculations

Drill the Higher-Tier-only and Separate-only calculations across all three sciences.

1. Titrations and Molar Concentrations
2. Gas Volumes, Atom Economy and Yield
3. Moments, Levers and Gears
4. Pressure in Fluids
5. Half-Life and Nuclear Equations
6. Transformers and the National Grid

Physics Calculations

Drill every recall equation for the Physics papers

1. Energy: KE, GPE and Power
2. Efficiency and Energy Resources
3. Circuit Calculations
4. Electrical Power and Energy Bills
5. Density, SHC and Latent Heat
6. Forces, Work Done and Elasticity
7. Speed, Acceleration and Graphs
8. Newton's Laws, Momentum and Waves

Chemistry Calculations

Master moles, Mr, bond energies and rates

1. Relative Formula Mass and Moles
2. Balancing Equations and Reacting Masses
3. Bond Energy Calculations
4. Rates from Graphs and Concentrations

Biology Data Skills

Magnification, genetics and sampling calculations

1. Magnification and Unit Conversions
2. Punnett Squares and Genetic Probability
3. Sampling, Mean and Percentage Change

How to revise Separate Sciences A (Gateway)

• Retrieval Practice
• Spaced Repetition
• Elaborative Interrogation
• Dual Coding
• Interleaving
• Knowledge Organisers
• Timed Practice
• Practising Calculations

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