Current, Charge, and Resistance · Series and Parallel Circuits · Rate of Energy Transfer · Magnetic Fields · Electric Motors and the Motor EffectAlso on Combined Science9 notes

Chapter P4 Forces and Motion

Nature of Forces · Describing Motion · Forces, Momentum, and Acceleration · Work, Energy, and PowerAlso on Combined Science10 notes

P4.1 Nature of Forces

Interaction Forces and Weight

P4.2 Describing Motion

Speed, Velocity, and Acceleration
Motion Graphs and Equations 2 notes
- Drawing and Interpreting Motion Graphs
- Motion Equations and Everyday Accelerations

P4.3 Forces, Momentum, and Acceleration

Resultant Forces and Momentum 2 notes
- Resultant Forces and Vector Diagrams
- Momentum, Collisions and Force
Newton's Laws and Reaction Times 2 notes
- Newton's Laws and Changes in Motion

P4.4 Work, Energy, and Power

Forces and Motion overview

Chapter P5 Radioactive Materials

Atomic Structure and Radioactivity · Radiation Hazards and SafetyAlso on Combined Science4 notes

P5.1 Atomic Structure and Radioactivity

Atomic Models and Isotopes
Radioactive Decay and Half-Life 2 notes
- Nuclear Emissions and Decay Equations
- Random Decay and Half-Life

P5.2 Radiation Hazards and Safety

Penetration, Contamination, and Medical Uses

Radioactive Materials overview

Chapter P6 Models of Matter

Energy, Temperature, and Density · Particle Model and Heating · Materials Under StressAlso on Combined Science4 notes

P6.1 Energy, Temperature, and Density

Density, Heat Capacity, and Latent Heat 2 notes
- Density: Measurement and Calculations
- Heating, Heat Capacity and Latent Heat

P6.2 Particle Model and Heating

States of Matter and Gas Pressure

P6.3 Materials Under Stress

Elasticity and Spring Extension

Models of Matter overview

Chapter BCP7 Ideas about Science

Scientific Investigation Considerations · Drawing Conclusions from Data · Development of Scientific Explanations · Societal Impact of Science and TechnologyOn every paper8 notes

IaS1 Scientific Investigation Considerations

Investigation Planning and Execution

IaS2 Drawing Conclusions from Data

Data Presentation and Evaluation 3 notes

IaS3 Development of Scientific Explanations

Scientific Models and Theories 3 notes

IaS4 Societal Impact of Science and Technology

Assessing Scientific Impact and Risk

Ideas about Science overview

Chapter BCP8 Practical Skills

Biology Practical Activities · Chemistry Practical Activities · Physics Practical ActivitiesOn every paper18 notes

Biology Practical Activities

B1 Microscopy Techniques 2 notes
- Microscopy and Scientific Drawings
- Accurate Biological Measurements
B2 Sampling Strategies
B3 Enzyme-Controlled Reactions
B4 Investigating Photosynthesis
B5 Microbiological Methods

Chemistry Practical Activities

Physics Practical Activities

Practical Skills overview

Chapter 5 Mathematical Skills and Equations

Mathematical Skills · Equations in PhysicsOn every paper9 notes

5e Mathematical Skills

5h Equations in Physics

Mathematical Skills and Equations overview

All OCR GCSE Combined Science B past papers

Reaction Times, Stopping Distances and Road Safety

C4

Salt Production

C5 Measuring Reaction Rates

2 notes

P5 Energy Transfers

P6 Electrical Circuits

What’s on Physics

Chapter P1 Radiation and Waves

P1.1 Risks and Benefits of Radiation

Physics past papers

2025 papers

2024 papers

2023 papers

P1.2 Evidence and Mechanics of Climate Change

P1.3 Wave Behavior and Properties

Chapter P2 Sustainable Energy

P2.1 Energy Usage and Transfer

P2.2 Electricity Generation Resources

Chapter P3 Electric Circuits

P3.1 Current, Charge, and Resistance

P3.2 Series and Parallel Circuits

P3.3 Rate of Energy Transfer

P3.4 Magnetic Fields

P3.5 Electric Motors and the Motor Effect