Physics: Edexcel IGCSE revision notes
1 Forces & Motion
1.1 Basics of Motion
- 1.1.1 Average Speed
- 1.1.2 Acceleration
- 1.1.3 Distance & Displacement
- 1.1.4 Velocity
- 1.1.5 Adding Vectors
- 1.1.6 Distance-Time Graphs
- 1.1.7 Speed-Time Graphs 1
- 1.1.8 Speed-Time Graphs 2
- 1.1.9 Initial & Final Speed, Acceleration, Distance
- 1.1.10 Average Speed - Calculations
- 1.1.11 Acceleration - Calculations
- 1.1.12 Uniform Acceleration - Calculations
- 1.1.13 Grade 9 - Motion
- 1.1.14 Exam-Style Questions - Graphs of Motion
1.3 Effects of Forces
- 1.3.1 Momentum - No Impulse
- 1.3.2 Momentum
- 1.3.3 Momentum: Law of Conservation
- 1.3.4 Force & Momentum Change
- 1.3.5 Momentum - Safety
- 1.3.6 Change in Momentum - Calculations
- 1.3.7 Momentum - Calculations
- 1.3.8 Mass
- 1.3.9 Weight
- 1.3.10 Centre of Mass
- 1.3.11 Gravity - Calculations
- 1.3.12 Free Fall
- 1.3.13 Air Resistance & Friction
- 1.3.14 Graphs of Motion with Air Resistance
- 1.3.15 Turning Effect
- 1.3.16 Moments
- 1.3.17 Equilibrium
- 1.3.18 Moments - Calculations
- 1.3.19 Exam-Style Questions - Moments
1.5 Forces & Elasticity
- 1.5.1 Stretching, Bending & Compressing
- 1.5.2 Elastic Deformation vs Inelastic Deformation
- 1.5.3 Hooke's Law
- 1.5.4 Hooke's Law - Equation
- 1.5.5 Hooke's Law - Spring Experiments
- 1.5.6 Hooke's Law - Calculations
- 1.5.7 Elastic Potential - Calculations
- 1.5.8 End of Topic Test - Forces
- 1.5.9 Exam-Style Questions - Elastic Potential
2 Electricity
2.3 Resistance & Power
- 2.3.1 Resistance
- 2.3.2 Ohm's Law
- 2.3.3 Measuring Resistance
- 2.3.4 Resistance & Ohms Law - Calculations
- 2.3.5 Variable Resistance
- 2.3.6 Current-Voltage Graph for a Resistor
- 2.3.7 Electrical Work
- 2.3.8 Power
- 2.3.9 Heating Effect in Resistors
- 2.3.10 Electrical Work - Calculations
- 2.3.11 Exam-Style Questions - Resistance
2.4 Electric Circuits
- 2.4.1 Circuit Diagrams
- 2.4.2 Circuit Symbols
- 2.4.3 Diodes
- 2.4.4 LDRs & Thermistors
- 2.4.5 Series Circuits
- 2.4.6 Resistors in Series
- 2.4.7 Series Circuits - Calculations
- 2.4.8 Parallel Circuits
- 2.4.9 Parallel Circuits in Practice
- 2.4.10 End of Topic Test - Electricity
- 2.4.11 Grade 9 - Circuits
- 2.4.12 Exam-Style Questions - Electrical Circuits
3 Waves
3.5 Communications
4 Energy Resources & Energy Transfers
4.1 Energy Changes
- 4.1.1 Energy Stores
- 4.1.2 Conservation of Energy
- 4.1.3 Examples of Energy Conversion
- 4.1.4 Kinetic Energy Stored
- 4.1.5 Gravitational Potential Energy Stored
- 4.1.6 Elastic Potential Energy Stored
- 4.1.7 Changes in Kinetic Energy - Calculations
- 4.1.8 Changes in GPE - Calculations
- 4.1.9 Changes in EPE - Calculations
- 4.1.10 Mechanical Work Done
- 4.1.11 Mechanical Work Done - Equation
- 4.1.12 Power
- 4.1.13 Mechanical Work - Calculations
- 4.1.14 Electrical Work Done- Calculations
4.3 Energy Resources
5 Solids, Liquids & Gases
6 Magnetism & Electromagnetism
6.4 Transformers
- 6.4.1 Transformers
- 6.4.2 Transformer Equation
- 6.4.3 Step-Up & Step-Down Transformers
- 6.4.4 Principles of Transformer Operation
- 6.4.5 High-Voltage Transmission & Transformers
- 6.4.6 Transformers - Calculations
- 6.4.7 Transformers 2 - Calculations
- 6.4.8 Energy in Transformers
- 6.4.9 Power Losses in Cables
- 6.4.10 End of Topic Test - Magnetism
- 6.4.11 Grade 9 - Transformers
- 6.4.12 Exam-Style Questions - Transformers
7 Radioactivity & Particles
7.2 Radioactivity
- 7.2.1 Radioactive Decay
- 7.2.2 Types of Radiation
- 7.2.3 Three Types of Emission
- 7.2.4 Ionising vs Penetration
- 7.2.5 Nuclear Fission
- 7.2.6 Nuclear Reactors
- 7.2.7 Nuclear Fission - Uncontrolled Chain Reaction
- 7.2.8 Radioactive Decay
- 7.2.9 Decay Equations
- 7.2.10 Nuclear Fission Equation
- 7.2.11 Half Life & Background Radiation
- 7.2.12 Measuring Half-Life From a Graph
- 7.2.13 Background Radiation
- 7.2.14 Practical Applications of Radiation
- 7.2.15 Ions & Ionising Radiation
- 7.2.16 Safety Precautions
- 7.2.17 Peer Review
- 7.2.18 End of Topic Test - Radioactivity & Particles
- 7.2.19 Grade 9 - Radioactivity & Particles
- 7.2.20 Exam-Style Questions - Radioactive Decay
8 Astrophysics
8.1 Motion in the Universe